please help, thank you

Bandar Industries manufactures sporting equipment. One of the company's products is a football heimet that requires special plastic. During the quarter ending June 30 , the company manufactured 3,800 helmets, using 2,622 kilograms of plastic. The plastic cost the company $17,305. According to the standard cost card, each helmet should require 0.63 kilograms of plastic, at a cost of $7.00 per kilogram. Required: 1. What is the standard quantity of kilograms of plastic (SO) 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? (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.)