18.2 Mixed Costs Analysis Gretchen owns a coffee shop and wants to determine the fixed and variable costs associated with serving specialty coffee drinks. To do this, she creates a scatterplot of data from the previous year. After Gretchen fits a line to her plotted points, what should she do to determine her fixed cost? Determine the average distance between the line and the data points Locate the point at which the line crosses the yaxis. Locate the point at which the line crosses the x-axis. Determine the farthest outlying point from the line