In this problem, you will experiment with setting, resetting and toggling bits of a given integer. You are required to use predefined macros, BIT0, BIT1, BIT2, ... or define your own bitmasks to achieve this. Open the project related to problem 1 and read the whole code including comments. There are to-do items in the code that you have to complete. After finishing each to-do, you are welcome to compile and debug the code to make sure your code works as you expect it.