The cost characteristics of a CO testing machine that was purchased 5 years ago for $100,000 are shown below. The equation to determine the AW of retaining the tester one more year and then replacing it is: (choose one)
(a) AW = ?15,000(A/P,i,1) ? 54,000 + 10,000(A/F,i,1)
(b) AW = ?100,000(A/P,i,6) ? 54,000 + 10,000(A/F,i,6)
(c) AW = ?60,000(A/P,i,1) ? 42,000 + 40,000(A/F,i,1)
(d ) AW = ?100,000(A/P,i,5) ? 42,000 + 15,000(A/F,i,5)
 FIGURE 1.png)
(a) AW = ?15,000(A/P,i,1) ? 54,000 + 10,000(A/F,i,1)
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