Frank's Factories has a staff of sales people like Anthony, who receives a monthly salary of $2,750 plus an incremental commission based on the table below. If he sells $27,300, what is his total gross pay for the month? Level Sales Volume Commission Rate 1 8,20115,000 4.1% 2 Over 15,000 4.6% a. $1,950.67 b. $4293.60 c. $3,930.80 d. $3,337.14