M-commerce is about electronic commerce using the mobile phone, either through a browser or an application as a means of purchase.
Although it is not as developed as e-commerce, it is growing significantly. You only need a web browser to be able to make the purchase on the same website as you would with a computer.
Within the m-commerce you can group the sale of products and services using tablets, not just mobile phones
At the time of contract the service revenue is not been realized because service is been perform and dealer made a promise to perform services in future. So the revenue will be deferred and will be earned or realized when service will be performed in the future. Deferred revenue will be effected and service revenue will not be effected at the time of contract.
The correct answer is letter "B": Limits to arbitrage.
Explanation:
The limits to arbitrage state that prices can stay unbalanced for prolonged periods due to restrictions imposed on funds that would usually be used by reasonable traders to arbitrate away pricing inefficiencies. The limits of arbitrage are closely related to the <em>Efficient Market Theory</em> (<em>EMH</em>).