Describe the process for adding and removing items from the stack.

Push/Push: 

• To refer to the following memory allocation, increase the top variable; 
• Copy the item to the array's top-most index value; 
• Once the stack is full, repeat steps 1 and 2; 

Pop/Pop: 

• The top-most element should be saved in another variable; 
• Decreasing the highest value; 
• Bring back the first ingredient;