Labor standards are defined as the: select one: a. amount of time required to perform a job or part of a job. b. standard labor agreements. c. amount of space required by a specific crew to perform the job. d. standard set of procedures to perform the job. e. preset activities required to perform a job.

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.