Below are three employees of US Works Incorporated Hamilton and Adams are hourly employees while Washington is a salaried employee $($minimum hours to be worked are $40$ per week$).$ Calculate gross pay for each person given the hours worked during the last week.

Note: Round your intermediate calculations and final answers to $2$ decimal places.

$\backslash$table$[[$Employee$,$Hourly Rate,Overtime Rate,$\backslash$table$[[$Regular Hours$],[$Worked$]],\backslash$table$[[$Overtime$],[$Hours Worked$]],$Regular Pay,Overtime Pay,Gross Pay$],[$Adams$,$ A$,$$$,40,4,,,,],[$Hamilton$,$ J$,16\mathrm{.}20,,40,6,,,],[$Washington$,$ B$,18\mathrm{.}20,,40,7,,,]]$