2. No. Microsoft's compensation is generally below Facebook/Google's compensation packages. Be sure to keep cost of living differences in mind though.

3. I personally value options at $0. Unlike RSUs, which are actual stocks, options' value is derived from the difference between the value at strike and the value at liquidation. You'd have to be extremely lucky for your options to be worth more than the money you could be making at a tech giant.

4. It depends on the climate of the place you're working at. If you think it wouldn't be received negatively, go for it. You're the best judge here.

5. You can try to negotiate (it's always worth trying,) but you'll likely fail. Standard negotiating tactics don't work at tech giants due to the large volume of applications received and number of offers being extended. This is doubly true because you're early in your career, so you don't really have the experience needed to leverage a better offer out of thin air.