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Nautilus Water Pumps, Inc.Internal Controls Assessment (Prepared by Scott Pasquale and Kyle Smith, Lehigh University) Nautilus Water Pumps, Inc.,...

Nautilus Water Pumps, Inc.—Internal

Controls Assessment

(Prepared by Scott Pasquale and Kyle

Smith, Lehigh University)

Nautilus Water Pumps, Inc., manufactures

automotive water pumps. Since 1988 it has

supplied the Big Three (Ford Motor Company,

General Motors, and Chrysler) North American

auto manufacturers. Nautilus has recently broken

into the American-made Japanese car market.

The company now supplies Toyota, Nissan,

and Honda with automotive water pumps for

their assembly operations in North America.

Conversion Cycle

At the start of the year each automobile manufacturer

provides Nautilus with an order

that is based on budgeted sales predictions.

However, this order is guaranteed for only

the first month; after that each automobile

manufacturer can revise orders on a monthly

basis. Nautilus’s current system requires

orders for RM to be placed with suppliers on

a quarterly basis. While the order provides

a general idea of what is to be expected, orders

from the automobile manufacturers can

increase or decrease dramatically after the

initial month.

Under the current batch production process

in the conversion cycle, the blanket order is

sent directly to the production, planning, and

control phase. In this phase, the material and

operation requirements are determined. It is

here that the necessary production documents

(bills of materials, route sheets) are created and

combined with inventory status reports from

inventory control and the required engineering

specifications from the engineering department

in order to create a purchase requisition. Currently,

the production-scheduling phase falls

under the responsibility of the work center. At

the work center, the supervisor in charge prepares

work orders, move tickets, and materials

requisitions. These documents are sent to

the cost accounting department and are also

used to create an open work order file. The

work center also retains copies of these documents

so they can be used to initiate production

activities. Under the current system, once

production is initiated, any excess material is

immediately scrapped. The work center also

prepares the necessary time-keeping documents

(payroll time card and job tickets) and

sends this information to the cost accounting

department as well. Upon completion of the

production cycle, the production schedule and

move tickets are used to close the open work

order file, while one copy of the work order is

sent to the FG warehouse

At the start of the production phase, a

copy of the materials requisition is sent to

storekeeping so that the necessary RM can be

issued to the work center. A copy of the materials

requisition is kept on file in storekeeping.

Inventory control is involved in the

batch production process throughout the

entire operation. It releases the inventory

status document to production, planning,

and control so that materials and operations

requirements can be determined. A copy of

the materials requisition document is received

from storekeeping so that inventory files can be

updated. Once files are updated, the materials

requisition is sent to cost accounting, while the

updated files are also used to prepare a journal

voucher that is sent to the GL department.

A copy of the materials requisition, purchase

requisition, and work order documents are

kept on file in inventory control.

Once the cost accounting department

has received all the necessary information

from the other departments, the workin-

process (WIP) file is updated. All work

center documents (move tickets, job tickets,

materials requisitions, excess materials, and

materials returns), along with a copy of the

work order, are filed in the cost accounting

department. At the end of the phase the cost

accounting department prepares a journal

voucher and sends it to the GL department.

This journal voucher, along with the one

sent by inventory control, is used to update

the GL. Both journal vouchers are kept on

file in the GL department.

Required:

a. Create a data flow diagramRequired:

a. Create a data flow diagram (DFD) of the

current system.

b. Create a document flowchart of the existing

system.

c. Analyze the internal control weaknesses in

the system. Model your response according

to the six categories of physical control

activities specified in SAS 78.

d. Prepare a system flowchart of a redesigned

computer-based system that resolves the

control weaknesses you identified.

Nautlus WaTer Pumps, Inc.—InTernal ConTrols AssessmenT (Prepared by Sco± Pasquale and Kyle SmiTh, Lehigh UniversiTy) Nautlus WaTer Pumps, Inc., manufacTures auTomotve waTer pumps. Since 1988 iT has supplied The Big ²hree (Ford MoTor Company, General MoTors, and Chrysler) NorTh American auTo manufacTurers. Nautlus has recenTly broken inTo The American-made Japanese car markeT. ²he company now supplies ²oyoTa, Nissan, and Honda wiTh auTomotve waTer pumps for Their assembly operatons in NorTh America. Conversion Cycle AT The sTarT of The year each auTomobile manufacTurer provides Nautlus wiTh an order ThaT is based on budgeTed sales predictons. However, This order is guaranTeed for only The ³rsT monTh; a´er ThaT each auTomobile manufacTurer can revise orders on a monThly basis. Nautlus’s currenT sysTem requires orders for RM To be placed wiTh suppliers on a quarTerly basis. While The order provides a general idea of whaT is To be expecTed, orders from The auTomobile manufacTurers can increase or decrease dramatcally a´er The inital monTh. Under The currenT baTch producton process
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in the conversion cycle, the blanket order is sent directly to the producTon, planning, and control phase. In this phase, the material and operaTon requirements are determined. It is here that the necessary producTon documents (bills of materials, route sheets) are created and combined with inventory status reports from inventory control and the required engineering speciFcaTons from the engineering department in order to create a purchase requisiTon. Currently, the producTon-scheduling phase falls under the responsibility of the work center. At the work center, the supervisor in charge prepares work orders, move Tckets, and materials requisiTons. ±hese documents are sent to the cost accounTng department and are also used to create an open work order Fle. ±he work center also retains copies of these documents so they can be used to iniTate producTon acTviTes. Under the current system, once producTon is iniTated, any excess material is immediately scrapped. ±he work center also prepares the necessary Tme-keeping documents (payroll Tme card and job Tckets) and sends this informaTon to the cost accounTng department as well. Upon compleTon of the producTon cycle, the producTon schedule and move Tckets are used to close the open work order Fle, while one copy of the work order is
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