There is $70\%$ chance the total return on IBM stock will be $-3\mathrm{.}95\%,$ a $30\%$ chance it will be $+3\mathrm{.}27\%.$ Calculate the expected return.

O $0\mathrm{.}77454$

O$-0\mathrm{.}01784$

O$-0\mathrm{.}77297$

O$-0\mathrm{.}56789$