I Ltd operates the imprest system for petty cash. At 1 July there was a float of $150, but it was decided to increase this to $200 from 1 August onwards. During July, the petty cashier received $25 from staff for using the photocopier and a cheque for $90 was cashed for an employee. In July, cheques were drawn for $500 for petty cash. How much cash was paid out as cash expenses by the petty cashier in July? $...............