Trey decides to set up a trust for the benefit of his two sons, Ronnie and Chad. Trey makes an annual contribution to the trust in the amount of $28,000 and gives each son the right to withdraw up to $14,000. In the current year, when the total trust assets are $52,000, Ronnie decides to withdraw $14,000, but Chad does not withdraw anything. What is the result of Chad's decision not to withdraw any of Trey's contribution to the trust?

Chad has made a taxable gift to Ronnie of $4,500.

Ronnie has made a taxable gift to Chad of $14,000.

Trey has made a taxable gift to Ronnie of $14,000.

All of the above.