A watch was sold at a loss of 10%. If the watch was sold for $24 more, there would have been a gain of 6%. What is the cost price?	Choose the correct choice from the following answers:
A) $120
B) $150
C) $180
D) $210
E) $240
0.9x + 24 = 1.06x   0.16x = 24   x = 150   The answer is $150.
<result>B</result>
A watch was sold at a loss of 10%. If the watch was sold for $24 more, there would have been a gain of 6%. What is the cost price?