second time posting first time got incorrect Answer plz give correct answer, and plz be fast (incorrect answer 655000)

You work for the R&D department at Apple where you design and develop new models of the iPhone. You have an idea for a new foldable iPhone. To build a prototype you will need $100,000, but you expect annual sales to be $1 million in the first year. The expected production expenses will be $650,000. You have spoken to your coworkers who are in charge of the other iPhone models and they expect that the launch of the new foldable phone will cause the sales to drop by $120,000 for each of the four other iPhones. The marketing department has also informed you that the budget for the new phone will be $75,000. What are the total costs caused by externalities from the new foldable iPhone