a cashier works in a supermarket. She has $25,000$ in cash when she starts her shift. After selling the supermarket products at the end of the shift, she has to do some calculations. She has this money in kesh

$50$ euro$\backslash$times $9=45000$ euro$($so

there are $9$ pieces for $50$ euros$)$

$20$ eur$\backslash$times $18=36000$ euro

$10$ euro$\backslash$times $31=31000$ euro

$2$ euro $\backslash$times $16=200$ euro

$1$ euro $\backslash$times $10=1000$ euro

$50$ cent$\backslash$times $16=800$ cent $(8$ euro$)$

$20$ cent$\backslash$times $6=120$ cent $(1$ euro $20$ cent$)$

$10$ cent$\backslash$times $26=260(2$ euro $60$ cent$)$

$5$cent$\backslash$times $151=755$ cent$(7$ euro $55$ cent$)$

Expenses in the bank were $6804$ euro.So $6804$ euro was the total money of people who buy with cards.

The cashier went to the manager and got the total figure for how many rounds he had made that day. The total round was $118935,41.$

From this data we have how can we calculate how many tips the customers have left us