Which branch of accounting is concerned with analyzing costs of products or services rendered in a business?

Keanna, Toni, and Harold are accountants in a large multinational corporation. They prepare various Management Information reports such as Budgets, Projected Cash Flow Statements, Cost-Volume-Profit Analysis reports, Break-Even-Point calculation for the different department heads, the Vice-Presidents, the president, and the CEO to consider. Which branch of accounting is being talked about in this scenario.

Rob is a CPA who inspects the accuracy and consistency of financial statements and certifies the accounts done by the accountants of his clients. Which branch of accounting is Rob doing?

Kelsie work for TLE manufacturing Corporation. She is under the accounting department mainly responsible for making sure that the her company gets the cheapest prices of raw materials with the highest quality possible to reduce waste expenses. She also makes sure that the electricity bill and other utility bills are as low as possible with the highest possible output of products manufactured. Which branch of accounting is Kelsie under?

Krystel is an accountant who assisting clients and companies with their financial and income tax statements. She studied tax laws and is up-to-date with tax issues. Which branch of accounting does she fall under?

Adrian works at a large bank as an a type of accountant. His duties are to prepare profit and loss statements to show clients and potential investors the general financial health of the bank that he works at. Which branch of accounting are Adrian's duties under?