answer all please!

5 points Question Mario's Home Systems has sales of $2,820, costs of goods sold of $2,160, average inventory of $504, and accounts receivable of $430. How many days, on average, is Mario's days' inventory outstanding? 72.66 days 65.23 days 84.00 days 55.66 days 85.17 days Question 51 What is the pre-tax equivalent yield for a municipal bond with a 5,14% yield if an investor has a tax rate of 12%? 4.4496 5.00% 5.8496 6.67% 5.76% What is the monthly payment amount on a $100,000 home loan if the rate is 8.0% APR, and the loan is made for a 15-year period? 843.86 871.11 898.83 927.01 955.65