jack smith reportedly was paid 10.2 million to write his book the fork in the road. the book took three years to weire. in the time he spent writing, jack smith could have been paid to make speevhes. given his popularity, assume that he could earn 8.2 million a year(paid at the end of the year speaking instead of weitinf. if his cost of capital is 10% per year, then NPV of agreeing to write tbe book( ignoring any royalty payments) is -10,193,186. the irr is?

how may IRRs are there in this problem?

does the irr rule give the right answer in this case?