Data concerning hands sanitizers corporation single product appear below:

Selling price = 90$

Variable Expense = 72$

contribution margin = 18$

Fixed expense = 84,000$

the company currently selling 3000 units per month.

the manager believes that 10,000$ increase in monthly advertising budget would result increase 2,500 unit in monthly sales.

1- what should be the overall effect on the company monthly net operating income of the change?

2- What is the breakeven point in dollars and in units if we accept the marketing manager proposal? (according to the new proposal)

3- If we want to achieve 5,000$ net income how much units should we sell ? (according to the new proposal)