Michael is unaware that it is very important for those from Japan to establish close personal relationships before talking about business. His violation of such , which concerns routine social conventions, is probably the main reason that he fails to have Norio sign the contract.

Mores

Explanation:

Mores are the behaviors and customs that people have in a particular place and usually, they expect that you adhere to them when you are there and you would probably be judge based on that. According to this, the answer is that Michael's violations of such mores, which concerns routine social conventions, is probably the main reason that he fails to have Norio sign the contract because he didn't follow the custom people have in Japan to establish close personal relationships before talking about business and that affected his image because Michael's behavior was not acceptable for them.

c.

clarify customers’ doubts only when asked.

it's actually a very difficult task, due to not many people can make 2 million dollars in 2 years. besides that, to the not-so-realistic ideas, you can create a business. it could be practically anything, but make it into a business that isn't that known yet, you get me? also, lets not forget about stock market. that's where all the good stuff happens. use investments at the beginning and begin to raise up your business or whatever you're going to do. as this is a very non-realistic idea, it's still worth the shot!