Dolly is a cash basis taxpayer. In 2016, she filed her 2015 South Carolina income tax return and received a $2,200 refund. Dolly took the standard deduction on her 2015 Federal income tax return, but will itemize her deductions in 2016. Molly, a cash basis taxpayer, also filed her 2015 South Carolina income tax return in 2016 and received a $600 refund. Molly had $12,000 in itemized deductions on her 2015 Federal income tax return, but will take the standard deduction in 2016. How does the tax benefit rule apply to Dolly's and Molly's situations? Explain.