Since every year, the annual salary increases by $4,500, then in the second year the employee earns:

In the third year the employee earns:

In the fourth year, the employee earns:

In the fifth year, the employee earns:

In the sixth year, the employee earns:


In the seventh year, the employee earns:

Finally, in the eighth year, the employee earns:

Therefore, during eight years with the company the employee earned:

Answer: Third option $510,000.