PROBLEM 1 (10%) On December 1, 2020, the ledger of PT A contains the following liability accounts. Accounts payable Sales tax payable Unearned Service Revenue 42.500 5.800 15.000 During December, the following selected transactions occurred: 01-Dec-20 Borrowed $30,000 from PT B on a 2-month note payable, with 9% interest rate per year. 07-Dec-20 Sold merchandise for cash totaling $10.420 which includes 10% sales taxes. 10-Dec-20 Paid tax office for sales taxes payable from previous month 18-Dec-20 Provided services for customers who had made advance payment of $9.000. (Cr. Service Revenue). 28-Dec-20 Sold 426 units of a new product on credit at $48 per unit, plus 10% sales tax. Instructions a. Journalize the January transactions. (8.5%) b. Journalize the adjusting entries at December 31 for the outstanding notes payable. (1.5%)