Walt's Marina generated the following regression based on the number and cost of daily rentals of its boat slips to boat owners each month. SUMMARY OUTPUT Regression Statistics Multiple R 0.425358 R Square 0.481216 Adj RSquare 0.456695 39.35892 Stand. Error Observations ANOVA Sig F Regression Residual Total SS 43,034.7 20,138.6 63,173.3 MS Full 43,034.71 27.780017 | 0.000151 1,549.12 14 Intercept X Variable 1 Coefficients Std Errort Stat 2621.21 101.8073 2.626725 35.586 .10235.270675 P-value 0.020917 | 0.000151 Lower 95% 47.478460 18.980154 Upper 95% 487.3612 45.3467 Lower 95% 47.478460 18.980154 Upper 95% 487.3612 45.3467 I Walt's Marina rents 45 boat slips each month (within relevant range), how much is its total cost for boat slip rentals? A $4,222 8. $8,722 6. $4,581 Not available based on the information Which one of the following is a purely fixed cost? 2000 units Per Unit 1000 units Total Per Uniti 500 2000 750 100 0.2 Cost A Cost B Cost C Cost D Total 1000 2000 1000 250 2.5 O A. Cost A B. Cost B C. Cost C D. Cost D