Analyze the following proposed sequence of questions designed to solve a larger problem. Is this a logical and effective way to solve the problem? Explain your reasoning, focusing on the relationship between the questions.

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In a sequential problem-solving scenario, a problem can be broken down into a logical progression of questions. For example, to determine the duration of an environmental study, one could first ask, 'When did the environmental study start?' and 'When did the environmental study end?'. Based on the answers to these preliminary questions, a final sub-problem, 'What was the duration of the environmental study?', can be solved to derive new information, such as the answer '5 years'.

Example of Sequential Sub-Problem Solving: Environmental Study Duration

A user wants to determine the total cost of paint required for a project. Arrange the following sub-problems into the most logical sequence to solve the main problem.

A financial analyst is tasked with calculating the percentage change in a company's revenue from the previous quarter to the current quarter. The analyst has already completed the first step and found the revenue for the previous quarter. What is the most logical next sub-problem to solve in this sequence?

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