If you choose between two summer jobs, what is the one you do not choose called? . a. trade-off . b. opportunity cost . c. decision at the margin . d. opportunity at the margin . (i know this is such a simple question all i would have to do is google the meanings but im getting the meanings confused : / i thought the answer was c but if someone could maybe simplify the meaning so explain to me why im wrong i would really appreciate it. )

Slimwood corporation made sales of $ 725 million during 2018. of this amount, slimwood collected cash for $ 670 million. the company's cost of goods sold was $ 300 million, and all other expenses for the year totaled $ 400 million. also during 2018, slimwood paid $ 420 million for its inventory and $ 285 million for everything else. beginning cash was $ 110 million. carter's top management is interviewing you for a job and they ask two questions: (a) how much was carter's net income for 2018? (b) how much was carter's cash balance at the end of 2016? you will get the job only if you answer both questions correctly.