Kaiser's Kraft Korner sells a single product. 7,000 units were sold resulting in £70,000 of sales revenue, £28,000 of variable costs, and £12,000 of fixed costs.
The number of units that must be sold to achieve £60,000 of operating income is (Calculation needed):
a. 10,000 units
b. 11,666 units
c. 12,000 units
d. None of these answers are correct.