$1)$ Use the base case assumptions $($pg$.4)$ as well as the information presented in the case to build a four$-$year discounted cash flow model for Advanced Seal given a $50\%$ Cannibalization rate for the Premium Product and a $15\%$ Cannibalization rate for the Basic Product. What are your NPV and IRR results?$\backslash$table$[[$Free Cash Flow,,,,,$],[$NOPAT$,-900,000,1,860,000,1,572,000,1,879,200,2,063,520$