In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices. Assertion: The total number of atoms present in a simple cubic unit cell is one.
Reason: Simple cubic unit cell has atoms in its corners each of which is shared between eight adjacent unit cells.

Options

A. Assertion and reason both are correct statements and reason is correct explanation for assertion
B. Assertion and reason both are correct statements and reason is not correct explanation for assertion
C. Assertion is correct statement but reason is wrong statement.
D. Assertion is wrong statement but reason is correct statement.