Oct 2 Oct3 Oct4 Oct5 Purchased cash registers (Store Equipment) on account from Ring Up Company, $7,200, with terms N/30. Useful life is three years, salvage value is $0, straight-line depreciation. Purchased office supplies on account with terms N/30 from Office Max, $2,500. Paid cash for three months of insurance in advance, $3,300 to Book Worm Insurance Company. Debit the entire amount to one account. Sold some merchandise on account to the following new corporate customers: e Polytechnic Academy purchased 100 textbooks for $180, each. The cost of the merchandise was $72 each. e Arcadia City College purchased 1,000 textbooks for $150, each. The cost of the merchandise was S50 each. e Sunshine Preschool purchased 200 picture books for $16 each. The cost of the merchandise was S6 each