Support levels Super Standard Basic Cost $($R$)$ per contract Cost $($R$)$per contract Cost $($R$)$ per contract Annual fee $1000750400$ Annual variable costs $450250170$ QUESTION $3$: $122$ marksl Sizwe Ltd provides three different levels of customer service support for one of its software products. The following data relate to these three levels of support: $500000230$ The total annual fixed costs are budgeted to be R$1200000.$ Assume that the number of customer service support contracts sold are in the proportion: Super $=20\%$ Standard $=30\%$ Basic $=50\%$ Required: NB: Round off all calculations to $2$ decimal places. Assuming a constant sales mix, calculate: $3\mathrm{.}1$ The weighted average contribution per unit. $3\mathrm{.}2$ The breakeven point in units. $3\mathrm{.}3$ The breakeven in units $($for each contract$).3\mathrm{.}4$ The breakeven point in rand $($for each contract$).3\mathrm{.}5$ The margin of safety in rands. $3\mathrm{.}6$ Th margin of safety as a percentage.