Problem
1. Assuming that one person can add two numbers in ta time, how long will it take that person to add all n numbers of a list, if we consider the operation of addition as the basic operation? Justify your answer.
2. If we have two people add n numbers in a list and it takes ta time for one person to add two numbers, how long will it take the two people to add all n numbers in the list, if we consider the operation of addition as the basic operation and include tp time for passing the result of an addition from one person to the other? Justify your answer.