19. Micky's Bike Shop uses the perpetual inventory system and had the following transactions during May 2022: May 1. Purchased 12 sports bikes from the manufacturers for cash at $85 each before trade discount of 1%. May 3. Purchased 15 units protective helmets on credit at $12 each on terms 2/10,N/30 FOB destination. May 4. Mickey returned 2(two) bikes to seller because of manufacturing defects and received full refund. May 8. Sold 8(eight) units of helmets for cash at $18 each. May 9. Paid $100 as part settlement for the amount owing for the March 3 helmets purchased