Show all parts for a ,b, c , and d and explain all parts as well . Thank you so much!!!!

3. Wixter, Inc. developed the following information for its new boat: a. How many boats must be sold to break even? Chapter 5 Lab/Review Worksheet b. If the company is currently selling 45,000 units, but plans to spend an additional $108,000 on an advertising program, how many additional units must the company sell to earn the same net income it is now making? c. Using the original data in the problem, compute a new break-even point in units if the unit sales price is increased by 20%, unit variable cost is increased by 10%, and total fixed costs are increased by $210,000. d. Using the original data in the problem, what is the amount of boats that must be sold in order to earn a target net income of $20,000