Pollution control equipment for a pulverized coal cyclone furnace is estimated to cost $190,000 two years from now and an additional $120,000 four years from now. If Monongahela Power wants to set aside enough money now to cover these future costs, how much must be invested at an interest rate of 8% per year, compounded semiannually

Levi Strauss has some of its jeans stone-washed under a contract with independent U.S. Garment Corp. If U.S. Garment's operating cost per ma- chine is $22,000 per year for years 1 and 2 and then it increases by 8% per year through year 10, what is the equivalent uniform annual cost per machine (years 1-10) at an interest rate of 10% per year?($28,029.93)

How many years will it take for money to increase to three times the initial amount at an interest rate of 10% per year?

A UTEP engineering student and her husband operate a pet sitting service to help make ends meet. They want to add a daily service of a photo placed online for pet owners who are traveling. The estimates are equipment and setup cost $750; net monthly income over costs $90. Over a period of 3 years, will the service make at least 12% per year compounded monthly? Note: Interest rate of 12% per year compounded monthly is 1% per month. 30,1075 36 ONTH>