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 answers to nearest whole dollar. Enter any decreases to account balances with a minus sign. Not all cells require input.) a. Paid $5,200 cash in advance on October 1 for a one-year insurance policy. b. Received a $4,000 cash advance for a contract to provide services in the future. The contract required a one-year commitment, starting April 1. c. Purchased $1,400 of supplies on account. At year's end, $195 of supplies remained on hand. d. Paid $10,080 cash in advance on August 1 for a one-year lease on office space