In perpetual inventory system we learned from class, if the business purchased $800 inventory and $300 office supplies on account, the accounting entry for the purchase will be: A. Dr. Inventory 800 and Office supplies 300, Cr. Accounts Payable 1,100 B. Inventory 1100,Cr. Accounts Payable 1,100 C. Inventory 800Cr. Accounts Payable 800 D. Office Supplies 1,100 Cr. Accounts Payable 1,100