4.14 8% per 6 months = 0.08% = 0.0133 per month
1: (1 + 0.0133)3 1
= 0.0405 or 4.05% per quarter
4.16 (0.) Interest rate per month = (10f200)(100%) = 5%
r = (5%)(12) = 60% per year
(b) i = (1 + 0.0011
IET451 - HW#6 Chapter 6
Annual Worth Calculations
6.4
James developed the two cash flow diagrams shown at the bottom of this page. The cash flows for
alternative B represent two life cycles of A. Calc
IET451 - HW#5 Chapter 5
Alternative ComparisonEqual Lives
5.7
A company that manufactures magnetic membrane switches is investigating two production options that
have the estimated cash flows shown ($
IET451 - HW#4
Nominal and Effective Rates
4.14
An interest rate of 8% per 6 months, compounded monthly, is equivalent to what effective rate
per quarter?
8% per 6 months = 0.08/6 = 0.0133 per month
i
IET451 Spring 2015
January 22, 2015
HW #1
1.1
The four essential elements involved in decision making in engineering economic analysis include:
1.
Cash flows.
2.
Times of occurrence of cash flows
3.
I
IET451 - HW#3
Present Worth Calculations
3.1
Industrial Electric Services has a contract with the U.S. Embassy in Mexico to provide
maintenance for scanners and other devices in the building. If the f
IET451
HW#2
Determination of F, P, and A
2.2
How much can Haydon Rheosystems, Inc. afford to spend now on an energy management system if the software
will save the company $21,300 per year for the nex