Business has been good for Keystone Control Systems, as indicated by the eleven$-$year growth in earnings per share. The earnings have grown from $$1\mathrm{.}00$ to $$2\mathrm{.}50.$

a$.$ Determine the compound annual rate of growth in earnings $)=(11.$

Note: Do not round intermediate calculations. Input your answer as a percent rounded to $2$ decimal places.

Compound annual rate of growth

$8\mathrm{.}69$

b$.$ Based on the growth rate determined in part a$,$ project earnings for next year $(E_1).$

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.

$\backslash$table$[[E_1,$$$,2\mathrm{.}74]]$

c$.$ Assume the dividend payout ratio is $40$ percent. Compute $D_1.$

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.

$\backslash$table$[[D_1,$$$,1\mathrm{.}09]]$

d$.$ The current price of the stock is $$18.$ Using the growth rate $(g)$ from part a and $(D_1)$ from part $c,$ compute $K_e.$ Note: Do not round intermediate calculations. Input your answer as a percent rounded to $2$ decimal places.

$\backslash$table$[[K_e,14\mathrm{.}73,\%$