помогите поставить в подходящую форму Organic products are much (expensive) than

Помогите поставить в нужную форму Organic products are much (expensive) than non-organic ones. That's (big) supermarket in town. Supermarket's own brands cab be just as (good) as well-known brands. The (long) customers stay in a supermarket, the (much) they spend. Summerton Superstore has by far (good) quality meat. The price of staple foods is getting (high) and (high) every month. He is one of (good) known brands of tomato ketchup.