VAI Inc. makes only one product. For June 2022 VAI reported the following information: Total Per Unit Sales $300,000 $10 Variable expenses 180,000 Fixed expenses 100,000 Operating Income $20,000 VAI is considering decreasing the selling price by 80 cents per unit. At the proposed selling price, how many units will need to be sold for VAI to still earn an operating income of $20,000? O6,250 O37,500 O cannot be determined from the information given O31,250 O30,000