Description: An app that gets as input the amount of a bill for a particular period and the days that each of the flatmates stayed in the house for that period and returns how much each flatmate has to pay. It also generates a PDF report stating the names of the flatmates, the period, and how much each of them had to pay.
Bill:
amount
period
Flatmate:
name
days_in_house
pays(bill)
PdfReport:
filename
generate(flatmate1, flatmate2, bill)
