revenue vs costs

[venus]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #294 "Economics Questions test (2)", question 10

Whether businesses manufacture goods or offer services, all of the money taken in by a business is called ..........

(a) costs
(b) labor
(c) revenue

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #294 "Economics Questions test (2)", answer 10

Whether businesses manufacture goods or offer services, all of the money taken in by a business is called revenue.

Correct answer: (c) revenue

Your answer was: incorrect
Whether businesses manufacture goods or offer services, all of the money taken in by a business is called costs.
_________________________

Why revenue?

venus

[Mister Micawber]

.
'Revenue' means 'money taken in by a business'; the other two words do not.
.
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Native English teacher at Mister Micawber's