i cannot figure out estimated total cost

Required information [The following information applies to the questions displayed below.] Felix \& Company reports the following information. (1) Use the high-low method to estimate the fixed and variable components of total costs. (2) Estimate total costs if 3,000 units are produced. (1) Use the high-low method to estimate the fixed and variable components of total costs. (2) Estimate total costs if 3,000 units are produced