16 17 Required adjusting entries in December 2019. 18 11) 19 12) 31-Dec 31-Dec 20 13) 21 31-Dec 22 14) 23 31-Dec 24 15) 25 16) 26 31-Dec 27 17) 31-Dec 28 29 31-Dec Record rent expense for December. Record interest expense for interest accrued on the note payable in December. Record depreciation expense for December for the equipment. The equipment has a residual value of $1,000 and an estimated useful life of 20 years. Record supplies expense for supplies used before end of year. $1,500 supplies are left over at the end of December. Record advertising expense for month of December. On December 15th, customer X paid $5,000 up front for services to be provided next January. Due to an opening in our schedule, we were able to complete these services by the end of December. Record salaries expense for work done from December 29-31 that won't be paid until January. Cougar Corp pays salaries to employees of $100/day.