mos that are popular with youth enthusiasts. Information relating to Isaiah's purchases of model IX during November is perpetual inventory system Total Cost Explanation Unit Unit Cost 11.100 27.500 20 1000 20 000 24 Purchase 20 1040 20.800 25 1050 25 250 50 Information relating to purchased Question 15 Isaiah Ca. seis rollerblades, model that are popular with y uses a perpetual Inventory system Date Explanation Units Unit Cost Total Co Nov. 1 Inventory 25 $1,100 27,500 Nov. 12 Purchases 20 1.000 20.000 Nov. 15 Sales Nov. 24 Purchases 30 20 1,040 20,800 26.250 25 1,050 Nov. 25 Purchases 50 Nov. 30 Sales