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Question-2 19 marks )3 expected time is 15-18 min The three devices (i.e., alternatives) shown in the following table are being considered by a start-up rm to reduce costs in a particular situation. Due to a budget limitation, the rm has the capacity to select only one of these three devices. 0 Device A costs $15,000. It has a useful life of 5 years and has $3,000 salvage value at the end of its useful life. Device A has annual operation and maintenance (0&M) costs of $1,600. This device will provide cost savings of $8,000 annually. - Device B costs $36,000. It has a useful life of 5 years and has $6,000 salvage value at the end of its usell life. Device B has annual 0&M costs of $1,000. This device will provide cost savings of $14,000 the rst year but will decline by $500 annually. 0 Device C costs $21,000 and lasts for 5 years. It has a salvage value of $4,500 and has annual 0&M costs of $900. Device C is expected to result in $9,000 savings annually. Use the rate-of-return (ROR) method to determine the best alternative that the rm should select. The rm uses an MARR of 15%