A firm prepares a sales budget of 4.3 million units of a product at a price of $9.85 each. The estimated contribution margin is $5.10 per unit. Fixed costs are $18,300,000. 
Required:
a) Breakeven point in units and dollars
b) How many units must be sold to achieve target income of $6 million.
c) How many units must be sold to achieve after tax income of 5 million with a tax rate of 28%.
d) What is the margin of safety in dollars and percentage.
e) What is the operating leverage.
f) The production manager proposes reducing variable costs to $3.90 per unit with an increase in fixed costs of $1.8 million. Is the firm more profitable.
g) The sales manager proposes raising prices by $1 and increasing ad spending by $3.5 million. Demand would fall by 500,000 units. Is the firm more profitable.