$($c$)$ The fixed cost associated with the production of a cosmetic item is $10,00,000.$ The variable cost per unit is $50$ and the selling price per unit is $7100.$

Find :

$($i$)$ Break even sales quantity.

$($ii$)$ Break even sales.

$($iii$)$ If the actual production quantity is $60,000,$ find contribution. $($Amount of earnings remaining after all direct costs have been subtracted from revenue$)$