Pina Limited uses the average cost formula in a perpetual inventory system. Fill in the missing amounts for items [1] to [13] in the following perpetual inventory schedule. (Round per unit cost and total cost to 2 decimal places, e.g. 15.23.) Purchases Cost of Goods Sold Units Cost Total Units Cost Total Units Date April Balance Cost Total 1 16 $183 $2,928 6 31 [1] $ $5,921 [2] [4] $ [3] $ 9 27 [5]$ [6] $ [9] $ [8] $ 14 (10] $196 $2,156 [11] [13] $ [12] $