Greetings @artist1111.

1.- You have described what a budget is, presenting it as an important source of information for production performance in terms of usability. In addition to that you have presented a correct example of a cost analysis and its respective description.

2.- You have presented the importance of the budget in the cost determination, vital for the control of income and possible expenses in a given time.

3.- You have presented and developed the proposed exercise, and the 4% adjustment, sharing an acceptable presentation of the results.

4.- You have developed the proposed exercise, and the 3% adjustment, sharing an acceptable presentation of the results.

Below I share the evaluation summary.

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