How many units of Product Excellence would have to be sold in October 2021 in order to generate an net income after tax of P22,500? * Nat NUBD reported the following results from sales of 5,000 units of Product Excellence for the month of September 2021: Sales Variable cost Tax rate P 200,000 Fixed costs P 120,000 Net income after tax 25% P 50,000 P 22,500 Assume NUBD increases the selling price of Product Excellence by 20% and increases variable cost per unit by P4 on October 1, 2021.