PLEASE USE CALCULUS TO SOLVE THIS, DONT USE BASIC ALGEBRA OR MATH. THIS IS A CHALLENGE BY OUR PROF. SO PLEASE FOLLOW INSTRUCTION. TO ANYONE WHO WILL NOT FOLLOW THE REQUIREMENTS, I WILL AUTOMATICALLY GIVE THUMBS DOWN. THANK YOU

Using the following information from Nathan Company, give the income statement through operating income for the year: Sales ..................... $900,000 Finished goods inventory, beginning ......... 45,000 Cost of goods manufactured ............. 575,000 Finished goods inventory, ending ........... 80,000 Operating expenses ................ 300,000