If the bank interest rate is $4$ percent, the percent gain in physical capital gain is $3$ percent, the

marginal product of capital is $2$ percent, and the capital gain of financial capital is $1$ percent,

what is the percent dividend return?

$($a$)3$ percent;

$($b$)6$ percent;

$($c$)50$ percent;

$($d$)2$ percent;

$($e$)5$ percent.