I tried working this problem as it is on chug but I can not get the right answers

High-Low Method Liberty Inc. has decided to use the high-low method to estimate costs. The data for various levels of production are as follows: Units Produced Total Costs $179,200 115,200 126,590 3,400 1,400 2,450 a. Determine the variable cost per unit and the fixed cost. Variable cost per unit Fixed cost b. Based on part (a), estimate the total cost for 1,730 units of production