You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

Question: A broker invested her own money in the stock market. During the first year, she increased her stock market wealth by 40 percent. In the second year, largely as a result of a slump in the stock market, she suffered a 30 percent decrease in the value of her stock investments. What was the net increase or decrease on her overall stock investment wealth by the end of the second year?

Option A: 5%

Option B: 2%

Option C: 15%

Option D: 20%

Option E: 80%
Option B

Question: How many inches are in 2000 millimeters? (round your answer to the nearest hundredth of of an inch).

Option A: 51.45 inches

Option B: 86.09 inches

Option C: 67.34 inches

Option D: 34.98 inches

Option E: 78.74 inches
Option E

Question: If p is the smallest positive integer that is not prime and not a factor of 50!, what is the sum of the factors of p?

Option A: 51

Option B: 54

Option C: 162

Option D: 72

Option E: 50!+2
Option C