Question 1151352
{{{ I = P*r*t }}}
{{{ I = 11000*.1*3 }}}
{{{ I = 3300 }}}
He will owe {{{ I + P = 14300 }}} 
after 3 yrs
He will  pay {{{ 3*950 = 2850 }}}
so he will owe:
{{{ 14300 - 2850 = 11450 }}}
$11,450
Get a 2nd opinion if needed