The document discusses tax planning strategies for marine manufacturers, focusing on the research and development (R&D) tax credit. It explains that the R&D credit allows companies to receive tax credits for qualified research expenses and can offset up to 20% of expenses. It outlines the four-part test to qualify research as well as examples of qualified and excluded research activities. The document also discusses state R&D credits, how to conduct an R&D study to claim the credit, and other tax considerations like the Section 199A deduction and sales and use tax planning.