Solve AND explain both for a thumbs up

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On January 1 2015, the ledger of Accardo Company contains the following liability accounts. Accounts payable $53,880 Sales Taxes Payable 7,000 Unearned Service Revenue 16,000 During January, the following selected transactions occurred. Jan. 5 Sold merchandise for cash totaling $14,256, which includes 8% sales taxes 12 Performed services for customers who had made advance payments of $1 1,340. (Credit Service Revenue.) 14 Paid state revenue department for sales taxes collected in December 2014 ($7,000). 20 Sold 950 units of a new product on credit at $50 per unit, plus 8% sales tax. 21 Borrowed $27,000 from Girard Bank on a 3-month, 8%, $27,000 note. 25 sold merchandise for cash totaling $7,668, which includes 8% sales taxes