For the each flow diagram shown below, calculate the value of Q Investment in a crane is expected to produce profit from its rental of$15,000 the first year it is in service. The profit is expected to decrease by $2,500 each year thereafter. At the end of six years assume the salvage value is zero. At 12% interest the present worth of the profits is nearest to what? Assume you borrowed $50,000 at an interest rate of 1 percent per month, to be repaid in uniform monthly payments for 30 years. In the 163^rd payment, how much of it would be interest, and how much of it would be principal