$(5$ points each$)$ Write the MatLab commands that do the following:

Asks the User for their first name and store the result in a variable called firstName $($suppress output of the result$).$

Asks the User for a radius and store the result in a variable called userRadius $($suppressed output$).$ You may assume the radius is a floating point number..

Write the command line to calculate the area of the circle given by the radius entered in $2).$ Store the area in a variable called circleArea $($suppressed output$).$

Displays the phrase 'Thanks!$\text{'}$ followed by the User's first name given in $1).$