An asset was purchased for 100000 and retired at the end of 15 years with a salvage value of 4,000. The annual operating cost was 18000. Determine the annual cost of the asset based on an interest rate of 8%.

Kk.7.

5.24 For the cash flows below, use an annual worth comparison to determine which alternative is best at an interest rate of 1% per month. First cost, $ M&O costs, $/month Overhaul every 10 years, $ Salvage value, $ Life, years X -90,000 -400,000 -30,000 -20,000 - Y 7000 3 - 25,000 10 Z -900,000 -13,000 -80,000 200,000 8

Salim Service company owns several taxis that were purchased four years ago for $27000 each. The current market value is $10000 each. If they are kept for another 6 years, they can be sold for $2000 each. The annual maintenance cost per cab is $900 a year. Salim Service is looking at replacing the cabs with the option to lease new cabs at an annual cost of $9000 per year per cab which includes free maintenance. How much more would it cost them per year to switch to leasing? Assume an interest rate of 9%.