answer part b please, show work if possible

Burger Doodle is a fast-food restaurant that processes an average of 690 food orders each day. The average cost of each order is $6.10. Four percent of the orders are incorrect, and only 10% of the defective orders can be corrected with additional food items at an average cost of $165. The remaining defective orders have to be thrown out (a) ) Your answer is correct Compute the quality productivity ratio (PR) for the Burger Doodle restaurant (Round answer to 2 decimal places, e5,275) Quality-productivity ratio (QPRI 1579 (b) In order to reduce the number of wrong orders, Burger Doodle is going to invest in a computerized ordering and cash register system. The cost of the system will increase the average order cost by $0.07 and will reduce defective orders to 1.5% Compute the quality productivity ratio (QPR). (Round answer to 2 decimal places, 6.8. 2.75.) Quality-productivity ratio (QPR)