Enter the person's name and the total amount of money they have spent on the purchases so far. This will be deducted from their total.

Step two - List all purchases

Two inputs - one to describe the purchase and the second for the cost of that item.

Step three - Confirm weights

Weights are relative amounts each person should pay - if someone didn't use of one of the purchases, their weight would be 0. If someone used twice as much as another person, their weight would be 2.

Results

The total amounts owed by each person are given below. Note that a negative values indicates that this person is owed money.