$1\mathrm{.}1$ Describe four factors that might cause material price variance for a bakery.

$1\mathrm{.}2$ A skateboards manufacturing company sells each skateboard for R$500.$ The unit variable cost associated with the skateboards is R$200$ and the company's fixed cost are R$2100000$ per year.

$1\mathrm{.}2\mathrm{.}1$ Determine the break$-$even number of units the company should aim for.

$1\mathrm{.}2\mathrm{.}2$ Determine the contribution margin ratio for the skateboards.

$1\mathrm{.}2\mathrm{.}3$ Determine the break$-$even point in sales rand the company should aim for.

$1\mathrm{.}2\mathrm{.}4$ If the company's target profit is R$200000,$ how many units should the company sell in order to achieve that profit.

$1\mathrm{.}2\mathrm{.}5$ If the company's target profit is R$200000,$ what is the target profit in sales rand?