Suppose initially that two assets, A and B, will each make a single guaranteed payment of $200 in one year. But asset A has a current price of $140 while asset B has a current price of $160. Instructions: Round your answers to 2 decimal places. a. What are the rates of return of assets A and B at their current prices?
b. What are the rates of return of assets C and D at their current prices?

Aproperty title search firm is contemplating using online software to increase its search productivity. currently an average of 40 minutes is needed to do a title search. the researcher cost is $2 per minute. clients are charged a fee of $400. company a's software would reduce the average search time by 10 minutes, at a cost of $3.50 per search. company b's software would reduce the average search time by 12 minutes at a cost of $3.60 per search. which option would have the higher productivity in terms of revenue per dollar of input?