must use excel. show your work/ equations please

Nike has hired an external consultant like Crowe to provide a solution to their warehousing problem now that they sell so much in Nike.com. The project will cost the company $2,600,000 now, require $300,000 in support in year 1, and $200,000 in year 2. The company expects a benefit of $450,000 in year 1 increasing by 5% per year for the foreseeable future. What is the Discounted Payback period, if the company MARR is 9%? 08-9 5-6 06-7 7-8 O9-10