i need help with answering A2 please !!

Exercise 8-13 (Part Level Submission) Presented below is information related to Blowfish radios for the Pharoah Company for the month of July Date Transaction Units In Unit Cost Total Units sold selling Price Total 130 July 1. Balance $3.90 507 6 Purchase 1,040 4.00 4,160 7 Sale 390 $6.70 2,613 390 10 Sale 7.00 2,730 4.30 2,236 520 12 Purchase 15 Sale 260 7.10 1,846 4.40 1,716 18 Purchase 390 22 Sale 7.10 3,692 520 4.38 2,847 25 Purchase 650 30 Sale 7.20 1,872 260 Totals $12,753 2,730 $11,466 1,820 (a1) x Your answer is incorrect. Try again. Calculate average cost per unit. (Round answer to 2 decimal places, e.g. 2.76.) Weighted-average cost 3991