Answer: Upon completion of the sale or when services have been performed
Explanation: Revenue is recorded in the books of accounts when the obligation from the seller side has been done and he receives the right to collect the charge of service as per the contract.
In general,the obligation is considered to be satisfied when the goods or services are received by the purchaser. Then the seller gets the right to ask money and can record revenue in books as per the accrual basis of accounting.
A command economy is an economy where the government decides what goods and services need to produced, the quantity to be produced and the price at which the products are to be sold. Hence a frim has no say in pricing its products.
The government is also the deciding factor with respect to the allocation of resources for investment and fixes incomes. A command economy is also known as a planned economy. North Korea and Cuba are examples of countries that have a command economy.
<span> I'd go with B ,money markets can generally be cashed out at the end of any business day with no penalties or transaction fees. 3 year CDs usually have a prepayment penalty, and stocks and bonds have to be traded on an exchange which involves transaction fees and the risk the prices may have fallen. I would choose B.</span>