The function rule for the profit a company expects to earn is

P 5 1500m 1 2700, where P represents profit and m represents the number
of months the company has been in business. How much profit should the company earn after 12 months in business?

To find the profit the company should earn after 12 months in business, we need to substitute the value of m (= 12) into the given function rule.

The function rule is: P = 1500m + 2700

Substituting m = 12 into the equation:

P = 1500(12) + 2700
P = 18000 + 2700
P = 20700

Therefore, the company should earn a profit of $20,700 after 12 months in business.