Cisco, Inc. has a proposal from the Engineering Planning Division to invest some of the Cisco re­tained earnings in the design, testing, and develop­ment of the next generation of smart grids useful in the Internet of Things (IoT) environment. The ini­tial investment projection is $5,000,000 in year 0, $2,000,000 in year 10, and $100,000 in years 11 and beyond. At i = 10% per year, calculate the in­finite-life equivalent annual cost in years 0 through infinity of the proposal.

What will be an ideal response?


Find PW in year -1; multiply by i

PW-1 = 5,000,000(P/F,10%,1) + 2,000,000(P/F,10%,11) + (100,000/0.10)(P/F,10%,11]
= 5,000,000(0.9091) + 2,000,000(0.3505) + 1,000,000(0.3505)
= $5,597,000

AW = 5,597,000(0.10)
= $559,700 per year

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