Exam CBAP topic 1 question 411 discussion

An insurance company wants to implement a business intelligence solution to consolidate data from various different internal systems to provide a better understanding of their customer base.
A business analyst (BA) is engaged to put together a tender (bid) to be sent to various business intelligence providers and implementation partners. Among other information, the business analyst requests the following:
✑ Licensing costs for Year 0 based on meeting 1 Central Processing Unit (CPU) license
✑ Licensing costs for specific user types such as Report Creators. Online Analytical Processing (OLAP) users and Power uses Predicted licensing costs for renewing in Years 1 ad 2

Full implementation costs -

After reviewing the received vendor responses the project team shortlists the candidates to 3 and the BA structures the received information as follows:

The BA also conducts a sensitivity analysis to compare the expected costs should the company's needs grow based on the following information:
Scenario 1: Ten extra report creator, 1 extra OLAP user and 1 extra power user licenses and 2 extra CPU licenses
Scenario 2: Twenty five extra report creator, 1 extra OLAP user and 1 extra power user licenses and 3 extra CPU licenses

What is the time difference in days between the shortest and longest implementation?