A company makes a single product with the following data:

Selling Price30

Material6,0

Labour8,4

Variable overhead3,6

Fixed Overhead4,8

Total Cost per unit22,8

Profit per unit7,2

Budget output is 36.000 units

In relation to this data, which of the following statements is correct?

a)If budget sales increase to 40.000 units, budget profit will increase by $28.800

b)The contribution to sales ratio is 24%

c)The margino f safety is 40%

d)The volume of sales needed to make a profit of $ 300,000 is 39.400 units