Please help with letters f and g.

Kevin Co.'s projected contribution-format income statement for the upconting month is shown below: Required: a.) Compute the breakeven point in units. b.) Compute the breakeven point in dollars. c.) If the company wishes to earn a monthly target profit of $10,000, how many units must be sold each month? d.) Compute the company's margin of safety. State your answer in both dollar and percentage terms. e.) The company's manager thinks that adding a salaried sales staff member at a cost of $2,000 per month will increase sales by $4,000 per month. If he is correct, what will be the net dollar advantage or disadvantage of making this change? f.) Refer to the original data, the company's manager believes that a new production process will improve profitability. He plans to add new machinery that will cut variable expenses in half. This will increase fixed expenses by $3,000. He expects after this change the company's unit sales will increase by 25%. If he is correct, what will be the net dollar advantage or disadvantage of making this change? g.) Refer to the original data, the company expects to decrease variable expenses by 5% and wishes to pass the savings along to customers. The manager wishes to maintain the exact same contribution margin ratio as the original data. What sales price will need to be charged to maintain the same contribution margin ratio