2. It is the end of Kencos' fiscal year (12-31-15). You have been given the following information to help you make the year end adjustments: a. On 8-1-15 Kenco purchase a one year insurance policy for a total cost of $36,000. The bookkeeper made an entry on 8-1 to debit pre-paid insr. exp. and credit cash. No other entries have been made to the insurance accounts. b. On 9-1-15 Kenco entered into a contract to provide maintenance service to Jimco Inc. for $500,000. Jimco Inc. pre-paid $50,000 on 9-1and the bookkeeper for Kenco debited Cash and credited Un-earned maint. rev. On 12-31-15 30% of the maintenance work had been completed. No other entries had been made in the accounting system since 9-1-15. c. Kenco rented excess office space to a client on 12-15-15. The renter paid $3,500 for one months rent in advance as a pre-payment. Kencos' bookkeeper debited cash and credited pre-paid rent on 12-15-15. d. The depreciation on equipment amounted to $25,000 for the year; no entry had been recorded to recognize this fact. e. Interest on Notes Payable of $200,000 in the amount of $5,000 was owed by Kenco to the bank on 12-31-15. No entry had been made to record this fact. The interest will not be paid until FY 04. Required: From the information given above, make all the adjusting entries required. As a description to the journal entry, indicate what accounting principle would have been violated if the entry had not been made.