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3)The following information is for High Corp: Selling price $60 per unit Variable costs $40 per unit Total fixed costs $125,000 If targeted operating income is $50,000, then targeted sales revenue is how much? 4)Bob operates on a contribution margin of 20% and currently has fixed costs of $500,000. Next year. sales are projected to be $3,000,000. An advertising campaign is being evaluated that costs an additional $80,000. How much would sales have to increase to justify the additional expenditure? 5)Kim sells a marble slab for $1,000. Fixed costs are $30,000, variable costs are $400 per slab. What the margin of safety in dollars assuming budgeted sales are 75 slabs