Given a dataset with product$\_$id$,$ selling$\_$price and cost$\_$price, create two columns: profit$\_$loss: whether the transaction was profit or loss value$\_$of$\_$pl: what was the profit or less incurred?

Tables Schema as Below:

product$\_$prices

columnName dataType

product$\_$id INT

selling$\_$price DECIMAL$(10,2)$

cost$\_$price DECIMAL$(10,2)$

profit$\_$loss VARCHAR$(10)$

value$\_$of$\_$pl DECIMAL$(10,2)$