Final answer:
A plan established by an eligible person for a non-working spouse is known as a spousal IRA. It offers tax advantages and allows the non-working spouse to contribute and potentially earn a return on their savings.
Step-by-step explanation:
An eligible person can establish a plan for a non-working spouse known as a spousal IRA. This plan allows the non-working spouse to contribute and potentially earn a return on their savings. Unlike a spousal retirement account or being restricted to travel expenses, a spousal IRA offers a tax-advantaged way to save for retirement.