Analysis of Adjusted Data Selected T-account balances for Coyle Company are shown below as

of January 31; adjusting entries have already been posted. The firm uses a calendar-year accounting

period and makes monthly adjustments.

Supplies Supplies Expense

Jan. 31 . . . . . Bal. 800 Jan. 31 . . . . . Bal. 960

Prepaid Insurance Insurance Expense

Jan. 31 . . . . . Bal. 492 Jan. 31 . . . . . . Bal. 82

Wages Payable Wages Expense

Bal. 650 . . . . .Jan. 31 Jan. 31 . . . .Bal. 3,300

Truck Accumulated DepreciationTruck

Jan. 31 . . . .Bal. 8,700 Bal. 2,610 . . . . Jan. 31

a. If the amount in Supplies Expense represents the January 31 adjustment for the supplies used in

January, and $825 worth of supplies were purchased during January, what was the January 1 bal-

ance of Supplies?

b. The amount in the Insurance Expense account represents the adjustment made at January 31 for

January insurance expense. If the original insurance premium was for one year, what was the

amount of the premium and on what date did the insurance policy start?

c. If we assume that no balance existed in Wages Payable or Wages Expense on January 1, how

much cash was paid as wages during January?

d. If the truck has a useful life of five years, what is the monthly amount of depreciation expense

and how many months has Coyle owned the truck?