Black Panther Corporation sells a single product for $50. Its management estimates the following revenues and costs for the year 2018:

Net Sales	$500,000
Direct Materials	140,000
Direct Labour	85,000
Manufacturing overhead-variable	27,500
Manufacturing overhead-fixed	50,000
Selling Expense-variable	15,000
Selling Expense-fixed	30,000
Administrative Expense-variable	12,500
Administrative Expense-fixed	20,000

1. Calculate Black Panthersbreak-even point in (1)units and (2)dollars and their annual profit.

2. Assume the price remains at $50 per unit and variable costs remain the same per unit, but fixed costs increase by 30% annually. Calculate the percentage increase in unit sales required to achieve the same level of annual profit calculated in part (b).

3. Determine the sales required to earn an operating income of $390,000 after tax. Black Panthers income tax rate is 40%.