Samuelson Electronics has a required payback period of three years for all of its projects. Currently, the firm is analyzing two independent projects. Project A has an expected payback period of 2.9 years and a net present value of $4,200. Project B has an expected payback period of 3.1 years with a net present value of $26,400. Which project(s) should be accepted based on the payback decision rule?
A.) Project A only
B.) Project B only
C.) Both A and B
D.) Neither A nor B
E.) Either, but not both projects

Gold star co. and silver star co. both manage their cash flows according to the miller orr model. gold star's daily cash flow is controlled between $100,000 and $200,000, whereas silver star's daily cash flow is controlled between $150,000 and $300,000. the annual interest rates gold star and silver star can get are 10 percent and 9 percent, respectively, and the costs per transaction of trading securities are $2,000 and $2,500, respectively. a. what are their respective target cash balances? b. which firm's daily cash flow is more volatile?