Cook Security Systems has a $37,500 line of credit, which charges an annual percentage rate of prime rate plus 4% starting balance on October 1 was $9,300. On October 4 they made a payment of $1,800. On October 13 the business borrowed $2,500, and on October 19 the borrowed $4,400. If the current prime rate is 6%, what is the new balance (in $)? (Round your answer to the neares cent.) $14434.28