A workman’s wages for a guaranteed 44 hours week is `75 per hour. The estimated time to produce one article is 30 minutes and under an incentive plan, the time allowed is increased by 20 per cent....

A workman’s wages for a guaranteed 44 hours week is `75 per hour. The estimated time to produce one article is 30 minutes and under an incentive plan, the time allowed is increased by 20 per cent. During a week, a worker produced 100 articles.

Calculate the wages under: (a) Time rate, (b) Rowan system and (c) Halsey system.