please solve this

A retail store has fixed costs of $160,200 per year and a capacity to store and sell 720 dishwashers every year. Their variable costs are $130 per unit, and each unit currently sells for $490. a. How many units should they sell to have a net income of $13,500 per year? c. Calculate the number of units they need to sell to have a net income of $13,500 per year if they decide to reduce the selling price of each unit by 14% and variable costs increase by 12%. A retail store has fixed costs of $160,200 per year and a capacity to store and sell 720 dishwashers every year. Their variable costs are $130 per unit, and each unit currently sells for $490. a. How many units should they sell to have a net income of $13,500 per year? c. Calculate the number of units they need to sell to have a net income of $13,500 per year if they decide to reduce the selling price of each unit by 14% and variable costs increase by 12%