Please solve and slightly explain your solution to help me learn it.

The financial manager of Confused Inc. is deciding to take on an investment opportunity. The company has two options: Project A and Project B. The required rate of return is 10%. c) What are the NPV and IRR of each one of these projects? What is(are) the crossover point(s)? Define the set of required returns that lead to the same decision (Choosing project A or B) under the IRR decision rule and the NPV decision rule. (Hint: your answer should be an interval, like between 5% and 12%, or a set of intervals.) Period Project A Project B 0 -500 -400 467 325 2. 380 250 3 200 380 IRR ? ? NPV