a. Merchandise inventory at March 31, 20X2, was $23,300. b. The Allowance for Doubtful Accounts should be increased by $600. c. Prepaid insurance represents a three-year policy purchased April 1, 20X1. d. Supplies on hand were estimated to be $170 on March 31, 20X2. e. The cost of the equipment is being depreciated over a 15-year estimated life using the straight-line method. Salvage value should be ignored. f. Unpaid sales salaries on March 31, 20X2, amounted to $200