I$\mathrm{.}8$ Suppose the risk free rate of return is $6\%,$ and the expected total return on the property is $8\%,$ and you have a target total expected return of $10\%.$ Assuming you can borrow at the riskfree rate, what Loan$/$Value ratio must you obtain for this real estate investment to meet your target expected return?

a$.30\%$

b$.40\%$

c$.50\%$

d$.60\%$