Bandar industries berhad of malaysia manufactures sporting equipment. one of the company’s products, a football helmet for the north american market, requires a special plastic. during the quarter ending june 30, the company manufactured 3,800 helmets, using 2,660 kilograms of plastic. the plastic cost the company $20,216. according to the standard cost card, each helmet should require 0.62 kilograms of plastic, at a cost of $8.00 per kilogram. required: 1. what is the standard quantity of kilograms of plastic (sq) that is allowed to make 3,800 helmets? 2. what is the standard materials cost allowed (sq × sp) to make 3,800 helmets? 3. what is the materials spending variance? 4. what is the materials price variance and the materials quantity variance?