type of cost

refer below to confirm the type of cost $400 represents
a recruitment consultant secretary has booked her into a series of interviews for 23 june 2019 with fees totaling $300. However, since then the recruitment consultant has realsied that she was already booked for interviews with clients on those dates with fees of $4oo. however, it is possible to put of the $400 client until 25th June 2019. the recruitment consultant is considering cancelling the interviews booked by her secretary on the 23 June 2019