18,74% 18,7%.2) Exa A firm is considering which of two devices to install to reduce costs....

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18,74% 18,7%.2) Exa A firm is considering which of two devices to install to reduce costs. Both devices have useful lives of 5 years with no salvage value. Device A costs $10000 and can be expected to result in $300 savings annually. Device B costs $13500 and will provide cost savings of $3000 the first year; however, savings will increase $500 annually, making the second- year savings $3500, the third-year savings $4000, and so forth. With interest at 7%, which device should the firm purchase? 6-16 18,74% 18,7%.2) Exa A firm is considering which of two devices to install to reduce costs. Both devices have useful lives of 5 years with no salvage value. Device A costs $10000 and can be expected to result in $300 savings annually. Device B costs $13500 and will provide cost savings of $3000 the first year; however, savings will increase $500 annually, making the second- year savings $3500, the third-year savings $4000, and so forth. With interest at 7%, which device should the firm purchase? 6-16