Refer to the profit and loss statement for Mid-Town Corner Market. a. Assuming Mid-Town Corner Market sold 30,000 units in March 2018, calculate unit contribution margin. b. Calculate break-even volume. c. Calculate unit contribution percentage. d. Calculate break-even amount. e. Using the break-even volume calculated for problem 10 and assuming Mid- Town Corner Market is open 30 days per month, calculate sales per day. f. Using the break-even volume calculated for problem 10 and assuming Mid-Town Corner Market is open 12 hours per day, 30 days per month, calculate sales per hour. g. Assuming Mid-Town Corner Market occupies 5,000 square feet, calculate the annual sales per square foot