QUESTION $3(20$ MARKS$)3\mathrm{.}1$ REQUIRED Calculate the following from the information given below: $3\mathrm{.}1\mathrm{.}1$ Break$-$even quantity $(3$ marks$)3\mathrm{.}1\mathrm{.}2$ Break$-$even value using the marginal income ratio $(4$ marks$)3\mathrm{.}1\mathrm{.}3$ Margin of safety $($in Rands$)(3$ marks$)3\mathrm{.}1\mathrm{.}4$ Total Marginal Income and Net Profit$/$Loss if the sales price is reduced to R$90$ per unit. $(4$ marks$)$ INFORMATION Dynamo Ltd manufactures calculators. The following information was extracted from the budget for the year ended $31$ December $2023$: $3\mathrm{.}2$ REQUIRED Calculate the following from the information provided below: $3\mathrm{.}2\mathrm{.}1$ The total variable costs if $12000$ units are sold. $(2$ marks$)3\mathrm{.}2\mathrm{.}2$ The number of units that must be sold to earn a net profit of R$120000,$ if the selling price is reduced by $10$