Bethany incurred $$20,000$ in research and experimental costs for developing a specialized product during July $2023.$

Bethany went through a lot of trouble and spent $$10,000$ in legal fees to receive a patent for the product in August $2025.$

Bethany expects the patent to have a remaining useful life of $10$ years.

Note: Do not round intermediate calculations.

a$.$ What amount of research and experimental expenses for $2023,2024,$ and $2025$ may Bethany deduct?

Note: Round your final answers to the nearest whole dollar amount. $2023$ answer is $2000,2024$ is $4000.2025$ IS NOT $2333.$