The company manufactures a product using a special alloy. Each unit of product should require 2.5 feet of alloy. The standard cost of alloy is $1.75 per foot.

Dduring the month 28,260 units of product were manufactured, requiring 71,310 feet of alloy at a cost of $1.72 per foot.

Ccompute the standard quantity that should have been used to produce the 28,260 units?