A certain company had a total annual expenditure of 2.1∗10^7 on employee salaries last year. If the company employed 420 people, what was the average employee salary?
Choose the correct choice:
A) $20,000
B) $25,000
C) $35,000
D) $40,000
E) $50,000
Given: Total annual expenditure of 2.1∗10^7 on employee salaries   Total employees = 420   Observe that  420*5= 
<gadget id="calculator"> 420*5</gadget>
<output>2_100</output>
2100   Therefore try to bring the numerator in terms of 2100   Average salary= (2100*10^4) /420 = 5*10^4 = 50,000   Option $50,000
<result>E</result>
A certain company had a total annual expenditure of 2.1∗10^7 on employee salaries last year. If the company employed 420 people, what was the average employee salary?