2 ms·`(11.18-10.96)/11.18=0.0196779964` That checks out. A 20% discount would've been `11.18-0.2*11.18=8.944`.by christiangenco 3y ago`(11.18-10.96)/11.18=0.0196779964` That checks out. A 20% discount would've been `11.18-0.2*11.18=8.944`.