savings not reflected correctly

[nus-pe-bot]

savings are the same for different months

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_{[original: nusCS2113-AY1920S1/pe-interim#1609]}

[Greatnest]

Team's Response

I am unsure if there are any expenditures in the 2 different months. If there are no expenditures in the two different months, the savings will equal budget. If there are no expenditures in those 2 months for any categories, then this should be the expected output.

Duplicate status (if any):

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