The monthly income from recycling paper and cardboard at the XYZ Center is estimated to be $300 starting next month from now. The maintenance cost of $1,000 is charged every quarter of usage of the equipment. Determine the present worth of the net income for the period of the 3 years at an interest rate of 6% per year, compounded semiannually.

A contractor has $650 worth of electrical material on the shelf in stock for 3 consecutive years. If the money is borrowed at 12% interest rate per annum, what does it cost to carry this stock?

For the last 12 years, Colin has contributed $110 each month into a retirement savings account. If the account earns 7% per year compounded monthly what is the balance of the account at the end of the 12th year?

Angelica received a 12 year non subsidized loan of 17,000 at an annual interest of 5.5 % compounded monthly.She will begin repaying the loan after she graduates in 4 years.. How much interest in dollars must she pay on the loan during the period of time that payments on loan are not being made Determine her monthly payment in dollars on the .