Q1: Smart enterprise had 80 calculators on hand on January 1, 2014, costing Br 20 each. Purchases and sales of calculators on cash during the year of 2014 were as follows: Transactions Units Unit cost Total cost Units January 12: Purchases 180 Br 20.5 Br 3,690 January 23: Sales 220 February 3: Purchases 100 18.3 1,830 February 24: Sales 110 March 10: Purchases 120 20 2,400 March 21: Purchases 200 20.2 4,040 April 8: Sales 130 April 28: Sales 100 Total 600 11,960 560 Required: According to a physical count, 120 calculators were on hand at April 30, 2014 1. Compute the cost of merchandise available for sale 2. Apply FIFO, Average methods and moving average method of inventory costing to determine cost ending inventory & Cost of merchandise sold under: A. Periodic inventory system B. Perpetual inventory system