What is the cost model in Google Ads where advertisers pay only when someone clicks on their ad?

In Google Ads, what is the term for the maximum amount an advertiser is willing to pay for a click on their ad?

A business hopes to generate large online sales through posting ads on social networking sites but only wants to pay when an ad actually generates a sale. That firm should use the performance measure of:Multiple Choicecost per thousand, and pay 50 cents for every time an ad loads, up to $100 per month.a negotiated measure, and pay $100 to post its ad for two weeks.cost per click, and pay $1 for every visitor who clicks on the ad and goes to its website.cost per action, and pay $50 for every purchase that originated from an ad on the site.cost per like, and pay $1 for every unique visitor who likes the advertised product.

What is the term for the maximum amount you're willing to spend on your Google Ads campaigns in a given day?

A company incurs advertising costs of $10,000. The company's three selling departments have the following sales: Department 1—$10,000; Department 2—$30,000; Department 3—$40,000. Advertising is allocated based on percent of sales. The amount of advertising allocated to Department 3 will be $.

Paid search engine marketing creates ads using