Which statement about the distributions and contributions to Section $529$ plans is TRUE?

The beneficiary generally does not have to include the earnings from the plan in their income.

A deduction of up to $$10,000$ per taxpayer $($$$20,000$ MFJ$)$ is available on the federal income tax return for contributions.

Distributions can be used to pay up to $$10,000$ in tuition and fees at a qualifying preschool.

Distributions may be used to pay up to $$15,000$ per year in qualified student loans.