Krystals Retirement Goal

Krystal is 47 years old and single. She is a high school principal, making $75,000 a year. She currently owns a 401(k) valued at $85,000. Krystal would like to retire at age 65 with $1.2 million in her retirement nest egg. She plans to contribute $12,000 a year to her retirement fund, growing at 10%.

Will Krystal reach her goal?

If she wont reach her goal, what needs to change in order for her to reach it?

Is it really possible to get a 10% growth in an investment fund? How?