make program in javascript that will perform the following:

Declare variables for the following and assign values to them:

First name $-$Richard

Middle Initial $-$ B

Last Name $-$ Jackson

Hours Worked $-40$

Hourly Pay Rate $-12\mathrm{.}25$

Display the person$$s full name.

Display their gross salary for the week. The gross salary can be calculated by multiplying the hours worked by the hourly pay rate.

Calculate the net pay for the individual which is the gross pay minus $20\%$ for taxes. Display the net pay.