The economic principle relevant in the calculation of the Indifference Point in a "Make vs Buy" decision is" a. Increasing FC's per unit b. Economies of Scale c. Decreasing VC's per unit d. Diseconomies of Scale A regression model may be made more accurate by: Select one: a. increasing the number of observations b. using the high-low (2 factor) algorithm c. re-ordering the data from the lowest Y-value to the highest Y-value d. setting the intercept as the data's point of origin