Contribution margin and contribution margin ratio

For a recent year, McDonald's $($MCD$)$ company$-$owned restaurants had the following sales and expenses $($in millions$)$:

Assume that the variable costs consist of food and paper, payroll, $25\%$ of occupancy and other expenses, and $40\%$ of the general, selling, and administrative expenses.

a$.$ What is McDonald's contribution margin?

$

$$ million

b$.$ What is McDonald's contribution margin ratio? Round to one decimal place.

X $\%$

c$.$ How much would operating income increase if same$-$store sales increased by $$1,000$ million for the coming year, with no change in the contribution margin ratio or fixed costs?

Round your answer to the nearest tenth of a million $($one decimal place$).$

$

millionFor a recent year, McDonald$$s $($MCD$)$ company$-$owned restaurants had the following sales and expenses $($in millions$)$:

Line Item Description Amount

Sales $$22,000$

Food and paper $$(2,700)$

Payroll and employee benefits $(2,000)$

Occupancy and other expenses $(4,300)$

General, selling, and administrative expenses $(5,000)$

Total $$(14,000)$

Operating income $$8,000$

Assume that the variable costs consist of food and paper, payroll, $25\%$ of occupancy and other expenses, and $40\%$ of the general, selling, and administrative expenses.

a$.$ What is McDonald's contribution margin?

fill in the blank $1$ of $1$$

$14,225$

million

b$.$ What is McDonald's contribution margin ratio? Round to one decimal place.

fill in the blank $1$ of $1$

$0\mathrm{.}6$

$\%$

c$.$ How much would operating income increase if same$-$store sales increased by $$1,000$ million for the coming year, with no change in the contribution margin ratio or fixed costs? Round your answer to the nearest tenth of a million $($one decimal place$).$