Please provide explanations and formulas, thanks!

XYZ Co. manufactures a powerful cleaning solvent. The main ingredient in the solvent is a raw material called Echol. Information concerning the purchase and use of Echol follows: average shipment of 10040 -quart containers of Echol. 21st bottle is rejected at final inspection because of contamination. Please make sure your final answer(s) are accurate to 2 decimal places. a) Compute the standard purchase price for one quart of Echol. b) Compute the standard quantity of Echol (in quarts) per salable bottle of cleaning solvent. c) Using the data from a) and b) above, prepare a standard cost card showing the standard cost of Echol per bottle of cleaning solvent