A monopolistically competitive market consists of seller(s), an oligopoly consists of seller(s), and a monopoly consists of one seller.

very many, few

Explanation:

The monopolistic competition consists of many sellers offering differentiated products. There are minimal barriers to entry or exit of the industry. Advertising and marketing of products are high due to increased competition. No single firm has the power to set prices.

An oligopoly consists of few but large firms dominating a big market. There could be other smaller firms with a small percentage of the market share.  Firms in an oligopoly market mat collaborate to look out new entrants. This market is characterized by heavy advertising, with firms offering either homogeneous or differentiated products.  The objective of each firm is to maximize profits, which makes all the firm to set high prices.

so i don't know what video you're talking about, but here's some stuff steve jobs gave as advice.

- love what you do.

- the worst thing that could happen might turn out to be the best thing that could happen.

- follow your heart and trust it knows where it's going.

the answer choices are:

provides online banking

provides automatic payment services

provides home loans by using saving accounts

accept tax return refunds

hopefully someone can answer the question now lol