A swimming club that sold only individual and family memberships charged ₹ 300 for an individual membership. If the club's total revenue from memberships was ₹ 480000, what was the charge for a family membership?
I. The revenue from individual memberships was $$\frac{1}{4}$$ of the total revenue from memberships.
II. The club sold 1.5 times as many family memberships as individual memberships.

if Statement I alone is sufficient but Statement II alone is not sufficient to answer the question

if Statement II alone is sufficient but Statement I alone is not sufficient to answer the question

if both statements taken together are sufficient to answer the question but neither Statement alone is sufficient

if Statements I and II together are not sufficient, and additional data is needed to answer the question