Sox Company has the following twelve months of cost data.
Months Units Costs
Jan 100 $ 30,700
Feb 120 $ 35,900
Mar 140 $ 41,200
Apr 140 $ 39,200
May 180 $ 49,100
Jun 160 $ 44,700
Jul 175 $ 48,300
Aug 150 $ 42,000
Sep 125 $ 37,300
Oct 130 $ 37,100
Nov 175 $ 49,700
Dec 160 $ 44,800
Answer the following:

1. What is the estimate for variable costs, fixed costs and the cost formula using the High Low Method?

2. What is the estimate for variable costs, fixed costs, the cost formula, r, and r2 using Regression?