part a and b please

Katherine purchased a franchise agreement to distribute electronic gadgets for 7 years. The agreement cost $1,500,000 and he had to make investments of $850,000 for the first 2 years to set up his showroom. The franchise generated $950,000 in profits each year from the 1st year to 7 years afterwards. At the end of year 7, he sold the furniture in his showroom for $90,000. a. What is the Internal Rate of Return (IRR)? % Round to two decimal places b. Should he have proceeded with this plan if his cost of capital was 15%? E