Employers are willing to pay and to workers, because they expect to be able to sell the goods and services at prices high enough to cover the costs of production first blank - revenue, wages , minimum wage second blank- salaries, profits , references

 Employers are willing to pay wages and salaries to workers, because they expect to be able to sell the goods and services at prices high enough to cover the costs of production

Explanation:

Wages refer to the money that is been paid by employers of labour to workers usually on hourly, daily, weekly, or piece work basis for the work they have done. Hence, casual workers, contract labourers, temporary workers and soon receive or earn wages.

Salaries refer to the money that is paid by employers of labour to employees or workers usually on monthly or annual basis for the work they have performed or done. Thus, it is usually paid to professionals, directors, white collar workers and so on.

a would be the answer