1.) What is the EAR of 14.5% per annum, compounded weekly? Show your answer to two decimal points.

2.) What is the NPV for an investment with an initial outlay now of $459, and expected cash inflows of $142, $261 and $381 at the end of years one through three, respectively, at a discount rate of 7.7% ?

3.) A business borrows $329,044 for 10 years at an annual rate of interest of 8.6%. If payments are annual and the loan will negatively amortize by $40,906, what will be the annual payment required? Put your answer in as a positive number.

4.) What is the present value of a perpetuity making quarterly payments in arrears in the amount of $9,475 per quarter, and the appropriate annual rate of interest is 10.5%?