Plus personal clothes money =250 yuan (this can be seen as bought by another customer)

Clothes in stock =257.5 yuan

Total profit =6 17.5 yuan-distributed according to your distribution rules.

If she pays half of the principal, does this mean that the profits are evenly distributed, then

6 17.5 yuan /2=308.75 yuan. If he didn't give you the principal, then she still owes you 94.25 yuan.

If his principal has been given to you, give her 308.75 yuan.