Outlers V 20. Some companies choose to use the scattergraph method to estimate costs because this method considers: only the average levels of activity. b. only the highest levels of activity. c. only the lowest levels of activity. d. all data points. e None of the answer choices is correct. Exhibit 5-5 Tyler Incorporated sells 5,000 units per month with the following costs: Variable costs: Fixed costs: $1.25 per unit $3,000 per month 21. Refer to Exhibit 5-5. What are Tyler's total costs each month? a. $3,000 b. $9,250 c. $6,250 d. $7,250 e. None of the answer choices is correct. 22. Refer to Exhibit 5-5. Tyler recently switched vendors and expects variable costs to rise by $1.00 per unit. However, with a new lease on the factory, Tyler expects fixed costs to drop by $300 per month After making the changes, what is Tyler's cost equation used to estimate total monthly costs? a. Y = $2,700 + $0.25% b. Y = $2,700+ $1.25X c. Y = $2,700 + $2.25X d. Y = $2,700 x $2.25X e. None of the answer choices is correct