Given Schema:

SALESPERSON$($Eid$,$ Name, Start$\_$year, Dept$\_$no$)$

TRIP$($Eid$,$ From$\_$city, To$\_$city, Departure$\_$date, Return$\_$date, Trip$\_$id$)$

EXPENSE$($Trip$\_$id$,$ Account#$,$ Amount$)$

$1.$Print the eid of employees who took trips to Goa.

$2.$Print the total trip expenses incurred by the salesperson with Eid $=234567.$

$3.$Give the details $($all attributes of trip relation$)$ for trips that exceeded Rs $20,000$ in expenses.

$4.$List cities visited by at least two different employees.