On December 1, 20X1, Porter Corp. assigned $80,000 of its accounts receivables to a local bank. The bank charges a $1,000 service fee, advances 90% of Porter's accounts receivables, and charges an annual interest rate of 12% on any outstanding loan balance. Porter must remit all cash collections on its assigned accounts plus accrued interest to the bank at the end of the month. At the end of December, Porter received $20,000 on its assigned accounts. Question: How much total cash should Porter remit to the bank at the end of December?