Under the accrual basis accounting, revenues and expenses are recognized by the following principles:

• Revenuerecognition:Revenueis recognized when both of the following conditions are met:Revenue is earnedandRevenue is realized or realizable.
• Expense recognition: Expense is recognized in the period in which related revenue is recognized (this is also known as theMatching Principle).

Respond to the following:

• Discuss when the requirements of the revenue recognition principle are usually met. Give an example.
• Discuss when the requirements of the expense recognition principle are usually met. Give an example.