For an ideal liquid:
(a) The bulk modulus is infinite.
(b) The bulk modulus is zero.
(c) The shear modulus is infinite.
(d) The shear modulus is zero.

Choose the correct option from the options given below:
1. (a) and (d) only
2. (b) and (d) only
3. (b) and (c) only
4. (c) and (d) only