Hello, I need some help figuring out what I am supposed to do for questions A through E this is all a part of problem 1. All I ask is for calculations to be show so that I can use this as a guide for future problems. Thank you!

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 35,000 helmets, using 22,500 kilograms of plastic. The plastic cost the company $171,000. According to the standard cost card, each helmet should require 0.6 kilograms of plastic, at a cost of $8 per kilogram. a) What is the standard quantity of kilograms of plastic (SQ) that is allowed to make 35,000 helmets? 35,0000.6=21,000 b) What is the standard materials cost allowed (SQSP) to make 35,000 helmets? 2215001 c) What is the materials spending variance? d) What is the materials price variance and the materials quantity variance? e) Explain the possible root cause of the price variance and quantity variance