If the selling price is reduced by 5%, variable expenses reduced by $1.00, and fixed expenses increased to a total of $38,400, how many units would need to be sold to earn an operating income of $21,000 ? (Round your final answers to nearest whole number) Multiple Choice 1,000 units. 3,494 units. If the selling price is reduced by 5%, variable expenses reduced by $1.00, and fixed expenses increased to a total of $38,400, how many units would need to be sold to earn an operating income of $21,000 ? (Round your final answers to nearest whole number) Multiple Choice 1,000 units. 3,494 units