You are developing an ASP.NET MVC web application that includes the following method.

You need to test the AccountBalance method.
Which unit test should you use?

A.
Option A

B.
Option B

C.
Option C

D.
Option D

Explanation:
All unit tests require the [TestMethod] attribute.
The Assert.AreEqual method verifies that specified values are equal.
Incorrect:
Not D: All unit tests require the [TestMethod] attribute.

http://msdn.microsoft.com/en-us/library/microsoft.visualstudio.testtools.unittesting.assert.areequal
(v=vs.110).aspx