Ken Hensley Enterprises, Inc., is a small recording studio in St. Louis. Rock bands use the studio to mix high-quality demo recordings distributed to talent agents. New clients are required to pay in advance for studio services. Bands with established credit are billed for studio services at the end of each month. Adjusting entries are performed on a monthly basis. Below is an unadjusted trial balance dated December 31 of the current year. (Bear in mind that adjusting entries have already been made for the first 11 months, but not for December.) KEN HENSLEY ENTERPRISES, INC. UNADJUSTED TRIAL BALANCE DECEMBER 31, CURRENT YEAR Cash $ 51,804 Accounts receivable 97,680 Studio supplies 9,120 Unexpired insurance 600 Prepaid studio rent 4,800 Recording equipment 108,000 Accumulated depreciation: recording equipment Notes payable Interest payable Income taxes payable Unearned studio revenue Capital stock Retained earnings Studio revenue earned Salaries expense 21,600 Supplies expense 1,440 Insurance expense 3,216 Depreciation expense: recording equipment 19,800 Studio rent expense 25,200 Interest expense 1,008 Utilities expense 2.820 63,000 19,200 1,008 3,840 11,520 96,000 45,600 128,400 Income taxes expense 21,480 $368,568 $ 368,568 Other Data 1. Records show that $5,280 in studio revenue has not yet been billed or recorded as of December 31. 2. Studio supplies on hand at December 31 amount to $8,280. 3. On August 1 of the current year the studio purchased a six-month insurance policy for $1,800. The entire premium was initially debited to Unexpired Insurance. 4. The studio is located in a rented building. On November 1 of the current year the studio paid $7,200 rent in advance for November, December, and January. The entire amount was debited to Prepaid Studio Rent. 5. The useful life of the studio's recording equipment is estimated to be five years (or 60 months). The straight-line method of depreciation is used. 6. On May 1 of the current year the studio borrowed $19,200 by signing a 12-month, 9 percent note payable to First Federal Bank of St. Louis. The entire $19,200 plus 12 months' interest is due in full on April 30 of the upcoming year. 7. Records show that $4,320 of cash receipts originally recorded as Unearned Studio Revenue had been earned as of December 31. 8. Salaries earned by recording technicians that remain unpaid at December 31 amount to $648. 9. The studio's accountant estimates that income taxes expense for the entire year ended December 31 is $23,520. (Note that $21,480 of this amount has already been recorded.) Required: a. For each of the numbered paragraphs, prepare the necessary adjusting entry. b. Using figures from the company's unadjusted trial balance in conjunction with the adjusting entries made in part a, compute net income for the year ended December 31. c. Was the studio's monthly rent for the last 2 months of the current year more or less than during the first 10 months of the year? d. Was the studio's monthly insurance expense for the last five months of the current year more or less than the average monthly expense for the first seven months of the year? e. If the studio purchased all of its equipment when it first began operations, for how many months has it been in business? f. Indicate the effect of each adjusting entry prepared in part a on the major elements of the company's income statement and balance sheet. Organize your answer in tabular form using the column headings shown. Use the symbols I for increase, D for decrease, and NE for no effect. The answer for the adjusting entry number 1 is provided as an example