Cook Security Systems has a $37,500 line of credit, which charges an annual percentage rate of prime rate ples 4 The starting balance on October I was 0.700 On October 4 they made a payment of $1,600. On October 13 the business borrowed $2,000, and on October 19 they borrowed $4,200. If the current prime rate is %, what is the new balance (in $)? (Round your answer to the nearest cent.)