Tickets for all but 100 seats in a 10,000-seat stadium were sold. Of the tickets sold, 15% were sold at half price and the remaining tickets were sold at the full price of $2. What was the total revenue from ticket sales?	Pick one:
A) $15,840
B) $17,820
C) $18,000
D) $18,315
E) $21,780
10000 seats --&gt; Full Price : Half Price = 8500 : 1500   Price when all seats are filled = 17000 + 1500= 
<gadget id="calculator">17000 + 1500</gadget>
<output>18_500</output>
18500   100 seats are unsold --&gt; Loss due to unfilled seats= 15 + 2*85= 
<gadget id="calculator">15 + 2*85</gadget>
<output>185</output>
185   Revenue= 18500 - 185= 
<gadget id="calculator">18500 - 185</gadget>
<output>18_315</output>
18315   Answer: $18,315
<result>D</result>
Tickets for all but 100 seats in a 10,000-seat stadium were sold. Of the tickets sold, 15% were sold at half price and the remaining tickets were sold at the full price of $2. What was the total revenue from ticket sales?