Standard electrode potential for $Sn^{4+}/Sn^{2+}$ couple is $+0.15 V$ and that for the $Cr^{3+}/ Cr$ couple is $–0.74 V$. These two couples in their standard state are connected to make a cell. The cell potential will be :

Question

( A ) $+ 0.89 V $
( B ) $+ 1.19 V$
( C ) $ + 1.83 V $
( D ) $ + 0.18 V $