Example of a product that has saturated its market

In three to four sentences, explain the effect of a price ceiling on the quantity of a good and who this intervention intends to assist

Over the past decade, brands that were once available only to the wealthy have created more affordable product extensions, giving a far broader range of consumers a taste of the good life. jaguar, for instance, launched its x-type sedan, which starts at $30,000 and is meant for the "almost rich" consumer who aspires to live in luxury. by marketing to people who desire a luxurious lifestyle, jaguar is using:

Using the smith's bbq report, the cost of wine for next week will increase by 2% from the current week. if all other cost of sales stays constant, what will be the approximate total cost of sales for next week?