An employee is paid on a piecework basis. The basis of the piecework scheme is as follows: 1 to 100 units – $0.20 per unit 101 to 200 units – $0.30 per unit 201 to 299 units – $0.40 per unit with only the additional units qualifying for the higher rates. Rejected units do not qualify for payment. During a particular day the employee produced 210 units of which 17 were rejected as faulty. What did the employee earn for their day’s work?
A、$47.90
B、$54.00
C、$57.90
D、$63.00
A.20
B.30
C.40
D.90
E.00
F.90
G.00