Write an SQL statement that would:

$($a$)$ Output outfit name, price and origin for all shirts and trousers that cost more than kshs$.550$ alphabetically by name.

$($b$)$ Due to economic problems, the price of trousers has tripled. Write an SQL statement to effect the increase.

$($c$)$ Write an SQL statement that returns a relation where the colour of the outfit is blue or the price is more than or equal to kshs$.1,200.$

$($d$)$ Write an SQL statement to delete the record for the outfit Savco trouser from the table.