Thank you for requesting me, but unfortunately I was not online when you have requested me which is why Lev answered your question.
Lev's answers are all correct except for question 17, I will attach my solutions here, and you can pick the answers you like, I am just posting the solutions because you originally have requested me. For future posts Grim, please type "For BusinessTutor" at the beginning of the question so that no one else answers your post. When you request me the way you did, the question is only locked under my name for 1 hour and then any expert can answer your questions.
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You are welcome Grim. I do not know if you meant that or not, but you have accepted Lev's solutions not mine. If you have intended to accept Lev's solutions, just remember that number 17 was not correct. The answer for 17 is D not B.