pls help me out thanks

Task: Solving optimization is one of the topics that has been challenging you as a student in your Calculus subject. One of your solutions to overcome this challenge is to think of ways on how to better understand the said topic. You have decided to use a flow chart in systematizing your step- by-step solution on solving word problems involving optimization. To do this, you are expected to do the following: 1. Create your own word problem involving optimization for each category. (Note: One problem only for each category.) a. Number problem (limit it to sum and product of positive numbers) b. Area and Perimeter c. Surface Area and Volume