A house seller can deduct 5 percent from the total sales value. If he has sold 5 houses, and the price of two houses is between $150,000 and $200,000, one of them is $300,000 house, two houses are between $500,000 and 750,000, what is the range of his revenue? Choose the correct answer.
A) 700  B) 720  C) 740  D) 680  E) 690
(1) 2(150)+300+2(500) = 1600   1600*0.95= 
<gadget id="calculator">1600*0.95</gadget>
<output>1_520</output>
1520 (Revenue considering the minimum values with the discount)   (2) 2(200)+300+2(750)= 2200 (Revenue considering the maximum values without the discount)   So, the the revenue range could be = 2200 - 1520= 
<gadget id="calculator">2200 - 1520</gadget>
<output>680</output>
680   680
<result>D</result>
A house seller can deduct 5 percent from the total sales value. If he has sold 5 houses, and the price of two houses is between $150,000 and $200,000, one of them is $300,000 house, two houses are between $500,000 and 750,000, what is the range of his revenue?