Which of the following steps will not lead to giving a good presentation?
a. Analyze your potential listeners
b. Identify the general topic
c. Write the introduction and conclusion before anything else
d. Write your exact purpose in one sentence

Within the relevant range, if there is a change in the level of the cost driver, then a. total fixed costs will remain the same and total variable costs will change b. total fixed costs will change and total variable costs will remain the same c. total fixed costs and total variable costs will change d. total fixed costs and total variable costs will remain the same