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58 lines
1.7 KiB
58 lines
1.7 KiB
7 years ago
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import profin
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pf = profin.Projector()
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# This demo simulates Mr. Bob who gave up one poorly paying job, then had trouble finding a better one,
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# had to borrow from a friend, then finally found a good paying job and all was OK
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# Start date and balance
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pf.date(2018, 'April', 24)
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pf.balance(+100_000) # initial savings
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# Recurring payments, paid on 1st of eahc month
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rent = pf.monthly('Rent', -12_000) # a pretty high rent...
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internet = pf.monthly('Internet', -450).on(10) # this is paid on the 10th
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spotify = pf.monthly('Spotify', -160)
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# using .spread() to distribute the cost over the whole month
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# Set to False for less accurate graph but more readable stdout logs
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want_spread = True
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food = pf.monthly('Food', -3500).spread(want_spread)
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membership = pf.monthly('Club Member.', -200).spread(want_spread)
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misc = pf.monthly('Misc Expenses', -2000).spread(want_spread)
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# A poorly paying job
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job1 = pf.monthly('Cleaning Job', +15_000, day=12)
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# Not going to the Club in May
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membership.skip_month(2018, 'May')
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# --- we can set a global date instead of specifying it in each start() and end()
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# also, if .start() is not called, the global date is used
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pf.date(2018, 'June')
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job1.end() # Quit the job in May, last pay received in June
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# cancel non-essential expenses
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spotify.end()
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membership.end()
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misc.end()
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# Looking bad, borrow from a friend
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friend_loan = pf.borrow('Loan from Luke', +50_000).on(2018, 'Oct')\
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.repay_monthly(-5000, day=18)
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# A new job with much better pay than before!
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pf.date(2018, 'Dec')
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job2 = pf.monthly('Sausage Stand Job', +25_000, day=15)
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# --- We generate the prediction until December 31, 2019
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# You can pass a second argument verbose=False to disable stdout printing
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samples = pf.project_to(2019)
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# show in a graph
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pf.graph(samples)
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