Early in 20x3, Shifter, Inc. wrote put options for 1,000 shares of its common stock. Purchasers of the options can sell Shifter stock back to Shifter for $20 per share on 12/31/x3. The estimated fair value of each option is $2 at the time of sale. At 12/31/x3, the share price is $15 and the options are exercised. As a result, Shifter:

For each separate case below, follow the 3-step process for adjusting the prepaid asset account at december 31. step 1: determine what the current account balance equals. step 2: determine what the current account balance should equal. step 3: record the december 31 adjusting entry to get from step 1 to step 2. assume no other adjusting entries are made during the year. a. prepaid insurance. the prepaid insurance account has a $4,700 debit balance to start the year. a re- view of insurance policies and payments shows that $900 of unexpired insurance remains at year-end. b. prepaid insurance. the prepaid insurance account has a $5,890 debit balance at the start of the year. a review of insurance policies and payments shows $1,040 of insurance has expired by year-end. c. prepaidrent. onseptember1ofthecurrentyear, thecompanyprepaid$24,000 for 2 years of rentfor facilities being occupied that day. the company debited prepaid rent and credited cash for $24,000.