c15 q11 please help with parts 1&2

Commercial paper. Criss-Cross Manufacturers will issue commercial paper for a short-term cash inflow. Criss-Cross must raise $5,150,000, and the paper will have a maturity of 182 days. If this paper has a maturity value of $50,000 and is selling at an annual interest rate of 8.4%, what are the proceeds from each paper; that is, what is the discount rate on the commercial paper? What is the discount rate on the commercial paper? \% (Round to two decimal places.)