Read the following statements carefully : (i) product of a volt and an ampere is a joude/second (ii) The product of a volt and watt is horse power (iii) The product of a volt and a coulomns is joule (iv) Walt-hour can be measured in terms of electron-volt
A. All four are correct
B. (1), (2) and (4) are correct
C. (1) and (3) are correct
D. (3) and (4) are correct