Opportunity cost means that something needs to be O replenished
O given up
O ignored.
O paid for.

Amarket that consists of all possible consumers regardless of their specific needs or wants is a

Nextdoor is an instant messaging application for smartphones. new smartphone users find it easier to connect with friends and relatives through this mobile app when compared to other similar instant messaging applications. hence, it has the largest user base in the industry. thus, nextdoor app's value has increased primarily due to itsa. learning curve effects. b. economies of scale. c. economies of scope. d. network effects.

Modern firms increasingly rely on other firms to supply goods and services instead of doing these tasks themselves. this increased level of is leading to increased emphasis on management.