Given the following alternatives and cash flows: Alternative A1 has an investment of $5,000 and an annual income of $1,400/year for ten years. Alternative A2 has an investment of $7,000 and an annual income of $1,900/year for five years If MARR = 10% What is the the difference in present worth NPWA2 - NPWA1 assuming repeatabiliy?

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A. 2026

B. -3274

C. -4895

D. -1631

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