Use the information provided below to calculate the following independently:

$4\mathrm{.}1$ Break$-$even value, using the marginal income ratio

$4\mathrm{.}2$ Margin of safety $($as a percentage, expressed to two decimal places$),$ using the break$-$even quantity

$4\mathrm{.}3$ The sales volume required to achieve a net profit of $R1200000$

$4\mathrm{.}4$ The total Marginal Income and Net ProfitLoss if the sales volume is $10\%$ less than expected

$4\mathrm{.}5$ Break$-$even quantity if the selling pr$$e drops by R$20$ per unit and the total fixed

$4$mar

costs are R$992200.$

$4$ mark:

INFORMATION

Forecasted costs for the only product to be manufactured by Vierra Enterprises for $2025$ are as follows

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