Question 550509
The sale price is 
{{{ 1500 - .15*1500 = 1500 - 225 }}}
{{{ 1500 - 225 = 1275 }}}
and
{{{ 1275 + .07*1275 = 1275 + 89.25 }}}
{{{ 1275 + 89.25 = 1364.25 }}}
Peter paid $1.364.25