Bandar Industries manufactures sporting equipment. One of the company$$s products is a football helmet that requires special plastic. During the quarter ending June $30,$ the company manufactured $3,600$ helmets, using $2,412$ kilograms of plastic. The plastic cost the company $$15,919.$ According to the standard cost card, each helmet should require $0\mathrm{.}61$ kilograms of plastic, at a cost of $$7\mathrm{.}00$ per kilogram. Required: $1.$ What is the standard quantity of kilograms of