Vought Industries had the following purchases and sales over the month of January. Calculate Vought's Average Cost Per Unit for January with periodic costing. Date Units Unit Cost Total Cost Jan 1 Beg. Inventory 5,000 $3 $15,000 Jan 5 Purchase 13,000 $4 $52,000 Jan 8 Sale 2,000 Jan 12 Purchase 15,000 $5 $75,000 Jan 20 Sale 8,000 Jan 30 Purchase 9,000 $6 $54,000 4.89 O 3.77 4.67 4.50