Write a program with a function to read in the file parts. txt into either parallel vectors or a vector of structs. the data file is on angel in zipped format. the first few lines of the file look like: p-13725 a 23 61.46p-13726 b 12 51.08p-13754 d 27 4.56p-13947 c 34 27.71representing part number, class, on hand balance, cost. after the vector(s) has/have been filled, display a menu which allows the user to request the following reports: 1. total cost of inventory.2. a count of parts of each class. 3. cost of inventory for a class.4. part with the highest cost of inventory.5. part with lowest cost of inventory.6. exit. each of these should be a function. i’ve posted a typical run on the next page.