a$.$ In cell H$5,$ insert a formula using an IF function. The first condition tests whether the pledge amount $($cell D$5)$ is greater than or equal to $5000$ and displays the level as "Gold" if the condition is true.

b$.$ The next condition uses another IF function to test whether the pledge amount $($cell D$5)$ is greater than or equal to $2000$ and displays the level as "Silver" if the condition is true.

c$.$ Display the level as "Bronze" for any other pledge amount.