The Following transaction occuped during december . 9 . On December 1 , paid cash for an Internet advertising consultant for four months of work in advance . The contract was for $ 3,200 per month . WORK will begain on January 1 1 2 b. On December 10, supplies in the amount of $/ 2,975 were purchased on account . C. On December 18, the company received a cash advance of 4080 for work to be performed starting January 1 . d. On December 30 , the company provided consulting services to a customer for $ 12, 500 , payment will be received in 30 days The following state Adjustinents information was available on December 31, 2020 : C - A physical count shows s, 100 of supplies remaing on hand on December 31. I The computer equipment has an expected useful life of four years with no residual value after four years . The computer C were purchased on January 2 of this year the straight- line method of amortization is used 9. The Furniture , purchased on January 2, is expected to be used for eight years with no expected value after eight eight years The straight - line method of amortization is used . h. On October 1, Millenial consulting hired an advertising firm to Prepare a marketing plan and agreed to pay the firm $ 2, 200 per month. Millenial consulting paid for five months' work in advance and has made no adjusting entries for this during 2020 Record the portion of the prepayment that has been used to date. i the company's office manager . who earns $ 400 per day , worked the Last five days of the year and will be paid on January 5, 202). Journalize the entries. Add New accounts if necessry