Which of the following is a drawback of converting an unincorporated sole proprietorship to an S corporation?

$$ S corporation owners cannot benefit from the qualified business income deduction.

$$ S corporations are more expensive than sole proprietorships to set up and administer.

$$ S corporation owners must pay self$-$employment taxes on their share of net profits from the business.

$$ S corporation owners are subject to double taxation because income is taxed when it is earned by the corporation and again when it is distributed to the owner.