A second employee of the computer store in Problem 57 is paid a base salary of $3,000 a month plus a 5% commission on all sales during the month.
(A) How much must this employee sell in one month to earn a total of $4,000 for the month?
(B) Determine the sales level at which both employees receive the same monthly income.
(C) If employees can select either of these payment methods, how would you advise an employee to make this selection?