Question 3 A worker is paid differential piecework. The scheme is as follows: Up to 50 Units per day N50 per unit 51 - 70 Units per day N60 per unit 71 - 80 Units per day N65 per unit 81 - 100 Units per day N70 per unit His daily outputs for a five day week were 68 units, 83 units, 59 units, 94 units and 47 units. What will be his gross pay for the week