How to do this?

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 3,100 helmets, using 2,232 kilograms of plastic. The plastic cost the company $19,195 According to the standard cost card, each helmet should require 0.65 kilograms of plastic, at a cost of $9.00 per kilogram. Required: 1. What is the standard quantity of kilograms of plastic (SQ) that is allowed to make 3,100 helmets? 2. What is the standard materials cost allowed (SQ SP) to make 3,100 helmets? 3. What is the materials spending variance? 4. What is the materials price variance and the materials quantity variance? (For requirements 3 and 4 , indicate the effect of each variance by selecting " F " for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values. Do not round intermediate calculations.)