In January $2023,$ a taxpayer takes out a $$500,000$ mortgage to purchase a main home with a fair market value of $$800,000.$ In February $2023,$ the taxpayer takes out a $$250,000$ home equity loan to put an addition on the main home. Both loans are secured by the main home and the total does not exceed the cost of the home. What percentage of the interest paid on the loans is deductible on the taxpayer$$s income tax return?

A$.25\%$

B$.50\%$

C$.75\%$

D$.100\%$