How do you enforce these restrictions?

To qualify for an instant loan, an applicant must be older than 21 and have a monthly income of at least UDS2000.

How do you enforce these restrictions?
A . Use a single Validate rule with two conditions: one for age and one for income.
B . Configure the UI controls to only accept values greater than 21 for age and UDS2000 for income.
C . Use two Edit Validate rules: one for age and one for income.
D . Use two Validate rules: one for age and one for income.

Answer: A