Hank is a salaried plus commission employee. Hank has a monthly salary of $2,500 and earns 5.5% commission on all sales. Which of the following expressions represents Hank's total earnings in one month if he has $6,300 in sales?a.2,500 + (0.055)(6,300)b.2,500 + (5.5)(6,300)c.(2,500) (5.5) + 6,300d.(2,500) (0.055) + 6,300