$12.$ Based upon the following information, calculate the sustainable growth rate for Kayla$$s Heavy Equipment:

Profit Margin $=7\mathrm{.}3\%$

Capital Intensity Ratio $=0\mathrm{.}95$

Debt$-$Equity Ratio $=1\mathrm{.}05$

Net Income $=$ $$84,000$

Dividends $=$ $$24,000$

$13.$ You are trying to save to buy a new $$275,000$ Ferrari. You have $$50,000$ today that ca be invested at your bank. The bank pays $4\mathrm{.}8\%$ annual interest on its accounts. How long will it be before you have enough saved to buy the Ferrari?

$14.$ In $1895,$ the first U$.$S$.$ Open Golf Championship was held. The winner$$s prize money was $$150.$ In $2020,$ the winner$$s check was $$2\mathrm{.}2$ million. What was the annual percentage increase in the winner$$s check over this period? If the winner$$s prize increases at the same rate, what will be the winner$$s check in $2050?$