What what is the best definition of marginal cost

Avx home entertainment, inc., recently began a “no-hassles” return policy. a sample of 500 customers who recently returned items showed 400 thought the policy was fair, 32 thought it took too long to complete the transaction, and the rest had no opinion. on the basis of this information, make an inference about customer reaction to the new policy. (round your answers to 1 decimal place.)

Keshawn used to work for an it company in baltimore, but lost his job when his company decided to use workers in new delhi instead. this is an example of:

En major recording acts are able to play at the stadium. if the average profit margin for a concert is $175,000, how much would the stadium clear for all of these events combined?