s done by a recognised body, the [F85costs officer]F85 may???E+W(a)allow interest at such rate and from such time as he thinks just on money disbursed by the body for the client, and on money of the client in the possession of, and improperly retained by, the body [F86or any manager or employee of the body]F86; and(b)in determining the remuneration of the body, have regard to the skill, labour and