nvestment B will return : $$16000$ in year $1,$ $$15000$ in year $2,$ $$12000$ in year $3$ & $$10000$ in year $4.$ I pay $ $26500.$ What is the rate of return?

$30$

$26$

$48$

$16$

$12$

$39$

$35$

$14$

$23$