What is the hypothesis of sales promotion?

The hypothesis of sales promotion is to get people into a store or to get rid of merchandise. With stores, the invoices are paid 10 days after the merchandise is received or the store pays 24% interest. The store needs to move merchandise. The hypothesis is that by reducing the price on some items, they can sell more full price items. The advertising in todays paper is aimed at girls at the age when their body shapes are changing. They need new clothes. There are several items on sale for them. Other items are for women at the age when they have become new mothers. Their body shapes have also changed. They need new clothes. Some items are on sale. They will need more. They want them into the store.

With cars, the cheapest model is the advertised one. The beautiful model with all the bells and whistles is more.