pickup truck big wheel modification costs $8,000 and is expected to last 6 years with a $1,300 salvage value. The maintenance cost is expected to be $1,700 the first year, crease by 11% per year thereafter. Determine the equivalent present worth of the modification and maintenance cost if interest rate is 8% per year.

For the cash flows below, determine the amount in year 1, if the annual worth in years 1 through 9 is 601.17 pesos and the interest rate is 12% per year

If the savings will be $150,000 the first year, $160,000 the second, and amounts increasing by $10,000 each year for 8 years, what is the present worth of the system at an intersest rate of 15% per year?

A coal-fired plant has upgraded an emission control valve. The modification costs only $8000 and is expected to last 6 years with a $200 salvage value. The maintenance cost is expected to be high at $1700 the first year, increasing by 11% per year thereafter. Determine the present worth of the modification and maintenance cost both by hand calculation using formula and by spreadsheet at an interest rate of 8% per year.