Jackson Ltd expects a new enterprise to generate a gross contribution margin of 40% (calculated as a percentage of sales). Variable selling expenses are expected to be an additional 10% (calculated as a percentage of sales), and fixed overheads £12.000 per month.

Calculate the sales revenue necessary to yield a monthly net profit margin of 10% (calculated as a percentage of sales).

A. £30,000

B. £40,000

C.£60,000

D. £66,000