Martinez 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 Balance Date Units Cost Total Units Cost Total Units Cost Total April 1 $172 $2,580 6 28 193 $5,404 [1] $ [4] $U [3] $ X 9 25 [5] $6 [6] $ [9] $U [8] $1 X 14 $206 $2,266 [10] [11] [13] $1 [12] $1 LINK TO TEXT