Nikk, Inc, a manufacture of plastic garden tools, is analyzing the purchase of a new type of injection molding equipment that can produce the end product itself. In other words, no additional operations or equipment are needed. The company wants to produce $2000$ non$-$ defective units$/$day$.$ Assuming $3\%$ scrap, $2\%$ rework, $85\%$ efficiency, $97\%$ equipment reliability factor and each unit can be manufactures in $72$ sec$.$ Determine how many pieces of the new injection molding equipment must be purchased, if it operates on two $8$ hours shifts per day.