Sage, Inc. used Excel to run a least-squares regression analysis, which resulted in the following output: Regression Statistics Multiple R R Square Observations 0.9721 0.9450 20 Intercept Production (X) Coefficients 21,524 4.26 a. What is Sage's total fixed cost? Total Fixed Costs Standard Error T Stat P-Value 7,753 0.6655 2.78 6.40 0.012 0.000 b. What is Sage's variable cost per unit? (Round your answer to 2 decimal places.) Variable Costs Per Unit c. What total cost would Sage predict for a month in which they sold 14,000 units? (Round your intermediate calculations to 2 decimal places.) Total Costs