Jordan purchased a franchise agreement to distribute electronic gadgets for $8$ years. The agreement cost $$1,600,000$ and she had to make investments of $$875,000$ for the first $2$ years to set up her showroom. The franchise generated $$1,050,000$ in profits each year from the $1$st year to $8$ years afterwards. At the end of year $8,$ she sold the furniture in her showroom for $$105,000.(5$marks$)$a$.$ What is the Internal Rate of Return $($IRR$)?$b$.$ Should she have proceeded with this plan if her cost of capital was $19\%?$