4. With respect to cost classifications for predicting cost behavior: a. What is the total variable manufacturing cost? b. What is the total fixed cost for the company as a whole? c. What is the variable cost per unit produced and sold? (Round your answer to the nearest whole dollar amount.) 5. With respect to cost classifications for decision making: a. If Dozier had produced 1,001 units instead of 1,000 units, how much incremental manufacturing cost would it have incurred to make the additional unit? (Round your answer to the nearest whole dollar amount.)