Use a Descriptive Variable and an Inequality Symbol (<, > $\ge$

Use a descriptive variable and an inequality symbol (<, >, $\ge$ , $\le$ ) to write a model for the statement. The Smith family will spend at least $16,500 on home improvements.

A) Let a represent the amount. a < $16,500.
B) Let a represent the amount. a $\le$ $16,500.
C) Let a represent the amount. a > $16,500.
D) Let a represent the amount. a $\ge$ $16,500.