please do a and b and show work thank you

Your factory has been offered a contract to produce a part for a new printer. The contract would last for 3 years and your cash flows from the contract would be $4.91 million per year. Your upfront setup costs to be ready to produce the part would be $7.83 million. Your discount rate for this contract is 8.2%. a. What does the NPV rule say you should do? b. If you take the contract, what will be the change in the value of your firm