Required Each of the following independent events requires a year-end adjusting entry. Show how each event and its related adjusting entry affect the accounting equation. Assume a December 31 closing date. The first event is recorded as an example. (Do not round intermediate calculations & Round your final answer to nearest whole dollar.) a. Paid $6,400 cash in advance on October 1 for a one-year insurance policy. b. Received an $5,200 cash advance for a contract to provide services in the future. The contract required a one-year commitment, starting April 1. c. Purchased $2,000 of supplies on account. At year's end, $255 of supplies remained on hand. d. Paid $11,520 cash in advance on August 1 for a one-year lease on office space. Event Adjustment The Accounting Equation Total Assets Other Liabilities Cash + Assets (6,400) + 6,400 = (1,600) - Stockholders' Equity Common Retained Stock Earnings a. (1,600) a. Adj. b. b. Adi c. c. Adj. d. d. Adj