# hw11 - IE 201 Homework 11 Solution 7.8 Conventional CF...

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7.8 Conventional CF series, so there is a single i* value. 0 = -130,000 – 49,000(P/A,i%,8) + 78,000(P/A,i%,8) + 1000(P/G,i%,8) + 23,000(P/F,i%,8) Solve by trial and error, Excel built-in function or graphical method. i = 19.2% per year (13 points) 7.12 Conventional CF series, so there is a single i* value. 0 = -40 – 28(P/A, i%,3) + 5(P/F,i%,4) + 15(P/F,i%,5) + 30(P/A,i%,5)(P/F,i%,5 Solve by trial and error, Excel built-in function or graphical method. i = 5.2% per year (13 points) 7.15 Conventional CF series, so there is a single i* value. 0 = -90,000(A/P,i%,24) – 0.014(6000) + 0.015(6000)(150) 0 = -90,000(A/P,i%,24) + 13,416 Solve by trial and error, Excel built-in function or graphical method. i = 14.3% per month (13 points) 7.18 Conventional CF series, so there is a single i* value. 0 = -450,000 – [50,000(P/A,i%,5) –10,000(P/G,i%,5)] + 10,000(P/A,i%,5) +10,000(P/G,i%,5) + 80,000(P/A,i%,7)(P/F,i%,5) Solve by trial and error, Excel built-in function or graphical method. i = 2.36% per quarter

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hw11 - IE 201 Homework 11 Solution 7.8 Conventional CF...

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