Sharon just turned $50$ years old and wants to reture age $62.$ She has $$560000$ already saved for retirement. Her retirement account is earning $9\mathrm{.}2\%$ interest. A$)$ How much money will she need in her account when she reties if she wants to withdraw $$60,000$ per year for $35$ years after retirement? B$)$ How much total money does she need to contribute to her retirement account over the next $12$ years? C$)$ How much money should she contribute monthly to her retirement account to meet her goals?