Assignment 2(3)

Assignment 2(3) - Maple T.A Gradebook...

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System Homepage » Class Homepage » Student Details » Student Assignment Details ActSci 231 W09 : Gradebook Welcome Po-Wei Chuang [ My Profile ] Assignment detail for Po-Wei Chuang in Assignment 2: Po-Wei Chuang Login: pchuang Email: [email protected] Student ID: 20260696 Assignments completed: 9 Assignments active: 0 Question Grade 1 Given the amount function A(t) = 800 (0.98) -t , find the effective rate of discount in the 3 th year. Your Answer: 0.02 Correct Answer: .2e-1 Comment: d 3 = (A(3) - A(2))/A(3) = 0.02 Instructors Comment: 1.0 2 In 1988, an investor opened an investment account with 1,500 earning simple interest at an annual rate of 12.5%. Six years later, the investor closed the account and invested the accumulated value into a new investment account earning 7.75% compounded annually. Determine the number of years since 1988 need for the balance to reach 7,500. Your Answer: 14.06 Correct Answer: 20.0645 Comment: 1,500(1+0.125(6))(1+0.0775) (n-6) = 7,500 => n = 20.0645 Instructors Comment:
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Assignment 2(3) - Maple T.A Gradebook...

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