(Learn how and when to remove these template messages) A budget is a quantitative expression of a financial plan for a defined period of time. It may include planned sales volumes and revenues, resource quantities, costs and expenses, assets, liabilities and cash flows. It expresses strategic plans of business units, organizations, activities or events in measurable terms.
The mouth could be feeling raw due to canker sores, Vit B deficiency or Vit C deficiency. It could also be fungal infection. It is difficult to comment beyond this at this stage without examining your mouth.
Halitosis or bad breath can also lead to a bad taste in the mouth. A diet that is excessively rich in protein can lead to excessive amounts of sulfur in the mouth which can increase the levels of bacteria in the mouth. This can result in a rotten taste.