Ben Lieber is a waiter at Harbor House, where he receives a weekly wage of $80 plus tips for a 40-hour workweek. Lieber's weekly tips usually range from $280 to $400.

a. Under the Fair Labor Standards Act, the minimum amount of wages that Lieber must receive for a 40-hour workweek is .......................................................................................$_______

b. Since Harbor House is in violation of the FLSA, the additional amount it should pay Lieber each week to meet the minimum wage requirement for a tipped employee is .........$_______