13) A machine costs $6,600. The accounting life of the machine is estimated to be 10 years. If the value of the machine after 10 years is $1,600, what is the depreciation in the fifth year ? (Use the 'sum-of-years' digits method) a) $454.54 b) $545.45 c) $654.54 d) $764.45 8) An annuity of $5,600 is paid each year for 10-years. The payment is made at year end. If the interest rate is 10%, what is present worth of the 10 payments ?. a) $34,410 b) $14,526 c) $56,000 d) $89,247 2.6) A printer costs $1200. Its salvage value after five years is $400. Annual maintenance is $75. If the interest rate is 8%, the equivalent uniform annual cost is: a) $225 b) $300 c) $307 d) $350