Pollution control equipment for a pulverized coal cyclone furnace is estimated to cost $220,000, 2 years from now, and, an additional $120,000, 8 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 weekly? at 8% interest, monongahela power has to invest $