16. Designs plc has just developed a new product, XL. It took 36 minutes to produce the first batch of five XLs. Designs estimates that it can enjoy an 85% learning effect on production of the product. In order to set a price for the product, a standard cost card is being formulated. How much time per unit should be included for the production of the 201st to 250th items? A. 7.20 minutes B. 2.88 minutes C. 3.10 minutes D. 2.26 minutes
could you please explain how to calculate the following question. the answer for this is D.