$1.$ Create an applet payroll program named Grade that allows the user to enter Name, $4$ Test Scores After the user enters the Name and $4$ test scores the program should calculate the grade. Compute grade Hints:$(100$pts$)$ Use methods as deemed appropriate. $>=90$ A$,>=80$ B$,>=702$ C$,>=60$ D$,$ below $60$ F $.$ Create an output file named $\text{'}"$Grade Report" The file should include: Name, Ti$,$ T$2,$ T$3,$ T$4,$ Avg, Grade. You are to process $3$ students or stop the program by entering $-$ZZ$9.$ Display the average for all students.

$2.$ Write an applet program that would enter two variables in a text field and perform the following operations when calculate button is pressed. Design a friendly interface. $(100$pts$)$

Addition

Multiplication

Division, division by zero is not allowed