$2\mathrm{.}11.$ Burger Doodle is a fast$-$food restaurant that processes an average of $680$ food orders each day. The average cost of each order is $$6\mathrm{.}15.$ Four percent of the orders are incorrect, and only $10\%$ of the defective orders can be corrected with additional food items at an average cost of $$1\mathrm{.}75.$ The remaining defective orders have to be thrown out. a $.$ Compute the average product cost. $-$Answer $ $6\mathrm{.}39$ b $.$ In order to reduce the number of wrong ordersBurger 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 $ $0\mathrm{.}05$ and will reduce defective orders to $1\%.$ What is the cost reduction per good order of this quality improvement initiative? $.$C$.$ What other indirect effects on wuality might be realized by the new computerized order sytem $?$

$2\mathrm{.}12.$ Compute the quality$-$ productivity ratio $($ QPR$)$ for the burger Doodle restaurant in parts $($a$)$ and $($b$)$ in problem $2\mathrm{.}11$