Anna & Oliver shop made total sales of $180000 in 2022. total variable costs and fixed costs were $64000 and $33000. the sales quantity is 900 units

a. calculate the breakeven point ( in $ sales amount)

b. calculate th breakeven point (in unit amount)

c. calculate th margin of safety

d. calculate the margin of safety ratio

e. how many units should anna & oliver shop sell in order to achieve a target profit of $115000

f. what is the degree of operating leverage for the company?!