7eleven in penang promo price

Hye,im from penang…i just wanna know why 7eleven in penang promo does not same price in advertisement??? For Example,wonda coffe promo only rm1…but in penang,the price up to rm1.50…so,the issues is that normal or they intensional up the price…kindly correct me if im wrong Or din’t notice the term and condition in penang.tQ
:awaiting your prompt rply a.s.a.p