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.
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Question: Question: There are 9 executives, including the CEO and CFO, that are asked to form a small team of 5 members. However, the CEO and CFO may not both be assigned to the team. Given this constraint, how many ways are there to form the team?

Option A: 85

Option B: 87

Option C: 89

Option D: 91

Option E: 93

Answer: Option D

Question: Question: Find the least number by which (59)(36)(17) has to be multiplied to obtain a perfect square?

Option A: 5

Option B: 17

Option C: 85

Option D: 221

Option E: 223

Answer: Option C

Question: Question: A salesperson receives a base salary of $1000 per month and a commission of 7.5% of the selling price of each item sold above the first 50 item. If this month she sold 290 items for $150 each, what will her monthly salary be?

Option A: $1,500

Option B: $1,800

Option C: $2,100

Option D: $3,700

Option E: $2,800

Answer:
Option D