A simple machine has efficiency 90%.What does it mean?No machine has 100%efficiency, Why?​

He management's discussion and analysis (md& a) required in general purpose federal financial reporting is different than that required by gasb of state and local governments in that: a. it includes information about the agency's performance goals and results in addition to financial activities. b. it is outside the general purpose federal financial report and is optional, not required. c. it is a part of the basic financial statements and, as a result, it is audited along with the financial statements. d. there are no significant differences.

Carmen co. can further process product j to produce product d. product j is currently selling for $20 per pound and costs $15.75 per pound to produce. product d would sell for $38 per pound and would require an additional cost of $8.55 per pound to produce. what is the differential revenue of producing product d?

Asmartphone manufacturing company uses social media to achieve different business objectives. match each social media activity of the company to the objective it the company achieve.