Find the present value of $800 due in the future under each of these conditions: a. 6% nominal rate, semiannual compounding, discounted back 7 years. Do not round Intermediate calculations. Round your answer to the nearest cent. $ b. 6% nominal rate, quarterly compounding, discounted back 7 years. Do not round intermediate calculations. Round your answer to the nearest cent. $ C. 6% nominal rate, monthly compounding, discounted back 1 year. Do not round intermediate calculations. Round your answer to the nearest cent. $ d. Why do the differences in the PUs occur? The present Values decline as periods per year increase The present values decline as periods per year decrease The present values increase as periods per year increase The present values are not affected by changes in the number of periods per year, The present values are positively related to the number of discounting periods per year. Find the interest rates earned on each of the following. Round your answers to the nearest whole number. a. You borrow $650 and promise to pay back $676 at the end of 1 year. % b. You lend $650 and the borrower promises to pay you $676 at the end of 1 year. % C. You borrow $70,000 and promise to pay back $131,996 at the end of 13 years. % d. You borrow $14,000 and promise to make payments of $3,693.20 at the end of each year for 5 years. %