pls help

Bander Industrles Berhad of Malaysla manufactures sporting equipment. One of the company's products, a football heimet for the North American market, requires a special plastic. During the quarter ending June 30 , the company manufactured 3,900 helmets, using 2,145 kilograms of plastic. The plastic cost the company $16,302. According to the standard cost card, each heimet should require 0.50kllograms of plastic, at a cost of $8.00 per kilogram. Required: 1. What is the standard quantity of kilograms of plastic (SO) that is allowed to make 3,900 helmets? 2. What is the standard materials cost allowed (SQ 5P ) to make 3,900 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 varlance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (l.6., zero variance). Input all amounts as positive values. Do not round intermediate calculations.)