The following information is available for Company ABC:
Selling price per unit: $30 Variable expenses per unit: $21
Fixed expenses for the period: $60,000
Sales volume per unit: 10,000 1. Operating income

if $15,000 is spent on advertising to increase sales volume by 2,000 units
will increase ??

2. According to the information given above, ABC Company's contribution rate is ??
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The following information is available for Company ABC:
Sales per unit price = $60
variable costs per unit = $45

If ABC's breakeven sales revenue is $150,000 and April's sales revenue totals $140,000,
then the company's operating loss for April ??
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The following information is available for Company ABC:
Sales per unit price = $60
per unit variable expenses = $40
If ABC's breakeven point is 5,000 units and it sells 5,750 units in March,
it will be a 4th operating income??

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The following information is available for Company ABC:
Sales revenue: $300,000
Contribution rate: 30%
Fixed expenses for the period: $60,000
Sales volume per unit: 10,000

5. If sales revenue increases by $20,000, operating income will increase.
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The following information is available for a firm:
Sales price per unit = $50
Contribution rate = 30%
Monthly fixed expenses = $30,000
Desired operating income = $18,000

6. Total income required to generate desired operating income ??

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{Please show calculations for all questions. I've been trying for a while and for the life of me I can't figure it out! TIA!}