A contribution margin income statement for Boekenhout $($Pty$)$ Ltd$,$ a restaurant on a small game farm is shown below. The business operates at a contribution margin percentage of $40\%($ignore Income taxes$)$

Revenue R$3,000,000\mathrm{.}00$ R$3,000,000\mathrm{.}00$

Variable Cost of Sales R$1,240,000\mathrm{.}00$ R$1,240,000\mathrm{.}00$

Variable Admin and Marketing Costs $????????$ R$560,000\mathrm{.}00$

Contribution margin $????????1,200,000\mathrm{.}0040\%$ np$\%$

Food Related Overhead Costs R$780,000\mathrm{.}00$ R$780,000\mathrm{.}00$

Other Fixed Expenses R$120,000\mathrm{.}00$ R$120,000\mathrm{.}00$

Nett Profit $????????300,000\mathrm{.}0025\%$ gp$\%$

Calculate the nett profit on the variable costing method

Help the owner to convert the income statement provided into an income statement they can submit to SARS, assuming there was no closing stock for finished goods

Suppose the revenue declines by $20\%.$ Use the contribution margin ratio to calculate the resulting decrease in net profit

What is the restaurant's operating leverage when revenue is at R $3$ million?

Use the operating leverage to calculate the increase in net profit resulting from a $25\%$ increase in sales revenue