The beginning inventory at Dunne Coand data on purchases and sales for a three-month period are as follows: Number Date Transaction of Units Per Unit Total ADE 3 tnventory 48 $375 $18,000 8 Purchase 96 450 43,200 11 Sale 64 1.250 80,000 30 Sale 40 1.250 50,000 May 8Purchase 80 500 40,000 10 Sale 48 1,250 50,000 19 Sale 24 1,250 30,000 28 Purchase 30 350 44,000 June 5 Sale 48 1,315 63,120 16 Sale 54 1,315 84.160 21 Purchase 14 600 16.400 28 Sale 72 1,315 94,680