Warbler Gift's reported the following information for the sales of their single product: Total Per Unit $10 Sales Variable expenses Contribution margin Fixed expenses Net operating income $300,000 180,000 120,000 100,000 $ 20,000 Warbler's salesmen have proposed to decrease the seling price by 50 cents per unit. How many units will need to be sold for Warbler to earn at least the same net operating income? (Round your intermediate calculations to 2 decimal places.) Multiple Choice 5,715 units 36,000 units 34,286 units 28,572 units