1. http://www.gnc.com/ResVitale-Resveratrol-500mg/product.jsp?productId=4215411
ResVitále Resveratrol 500mg (60粒)
price：$75.99 member price (buy one get one 50% off)
qty: 2

2. http://www.gnc.com/ResVitale-Resveratrol-250-mg/product.jsp?productId=19613926
ResVitále Resveratrol 250 mg (120粒)
price: $75.99 sale price (buy one get one 50%)
qty: 2

contact: 八328七031

两个都有第二瓶半价，请问可以叠加会员价或者sale price吗？谢谢团长