This answer results from using 70% of the selling price as the variable costs and 30% of the selling price as the contribution margin ratio per unit instead of 30% of the selling price for the variable costs and 70% of the selling price for the contribution margin ratio per unit. This is not the correct answer. Please see the correct answer for an explanation. We have been unable to determine how to calculate this incorrect answer choice. If you have calculated it, please let us know how you did it so we can create a full explanation of why this answer choice is incorrect. Please send us an email at support@hockinternational.com. Include the full Question ID number and the actual incorrect answer choice -- not its letter, because that can change with every study session created. The Question ID number appears in the upper right corner of the ExamSuccess screen. Thank you in advance for helping us to make your HOCK study materials better. This answer results from using the desired after-tax return on investment in the formula to calculate the required sales. The after-tax return needs to be converted to its before-tax equivalent before it is used in the formula, because the sales revenue required is a before-tax amount. The question asks for the amount of sales required to earn an 8% after-tax return on the investment of $300,000. The first step is to calculate what the desired after-tax amount is. That is 8% of $300,000, which is $24,000. The next step is to convert this after-tax amount to its before-tax equivalent. We do that by dividing it by 1 – the tax rate. Since the tax rate is 40%, 1 – the tax rate is 60%, or .60. Dividing $24,000 by .60, we get $40,000 of before-tax net income that is required. We now set up an equation, letting X = the dollars of sales. If X = the dollars of sales, then .3X = the variable costs. X ? .3X – 600,000 = 40,000 .7X = 640,000 X = $914,286
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