On September 1, Tree Company began a contract to provide services to Willow Company for six months, with the total $21,600 payment to be made at the end of the six-month period. Equal services are provided each month. The firm uses the account Fees Receivable to reflect amounts due but not yet billed. What proper adjusting entry would Tree Company make on December 31, the end of the accounting period (no previous adjustment has been made)

Arnold rossiter is a 40-year-old employee of the barrington company who will retire at age 60 and expects to live to age 75. the firm has promised a retirement income of $20,000 at the end of each year following retirement until death. the firm's pension fund is expected to earn 7 percent annually on its assets and the firm uses 7% to discount pension benefits. what is barrington's annual pension contribution to the nearest dollar for mr. rossiter? (assume certainty and end-of-year cash flows.)