Consider the following statements:
A nomenclature $\phi$ 50 H8/p8 denotes that
1. hole diameter is 50 mm.
2. it is a shaft base system.
3. 8 indicates fundamental deviation.
Which of the statements given above is/are correct?
(a) 1, 2 and 3 (b) 1 and 2 only
(c) I and 3 only (d) 3 only