A porter made 40 teapots, 15 cups and 15 saucers in 20 hours. All her pottery conformed to her design specifications exc

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A porter made 40 teapots, 15 cups and 15 saucers in 20 hours.
All her pottery conformed to her design specifications except for 6
cups which had to be scrapped, and 12 teapots to be reworked. Each
cup scrapped resulted in a R10 loss; each reprocessed piece of
pottery requires an extra 10 minutes of processing time. (a) Use
this information to calculate the following: i. Scrap cost (2) ii.
Repressing time (2) iii. Productivity per hour before improvement
(2) iv. Productivity per hour after process improvement (2) (b) The
porter decided to automate part of her production process in an
effort to improve the quality of her work. For 70 units of pottery
she makes in 20 hours, the process now yields 64 conforming units 2
teapot to be scrapped and 4 saucers for rework. Each teapot
scrapped resulted in a R6 loss; each reprocessed piece of pottery
still requires an extra 10 minutes of processing time