At the end of 2014, Diatomic Company implemented a new labor process and redesigned its product with the expectation that input usage efficiency would increase. Now, at the end of 2015, the president of the company wants an assessment of the changes on the company's productivity. The data needed for the assessment are as follows: 
By how much did profit change as a result of profitability changes in materials?
Definitions:
Limited LLC Member
A member of a limited liability company who has invested in the company but does not have a say in the day-to-day management or operations.
Management Decisions
Choices and actions taken by the management of an organization regarding its operations, strategic direction, and allocation of resources.
Limited Liability
A legal structure that shields owners' personal assets from the debts and liabilities of the business.
General Partners
Individuals in a partnership who are responsible for the management of the partnership and are personally liable for its debts.
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