Question 1: (4 marks) Write three programs that print the sum of the factorials from 0 to 10000: 1) Without threads, 2) With two threads, 3) With four threads. For each program, generate the execution time and analyze the results. Also, comment on each line of your code. (A screenshot of the outputs is needed). Without Thread Two Threads Three Threads Execution Time(ms) PS: You can use the programming language that you are familiar with. Question 2: (1 mark) Which of the following components of program state are shared across threads in a multithreaded process? a. Register values b. Heap memory c. Global variables d. Stack memory