Christine, a human resource manager, is developing a plan for ensuring the company has enough engineers. She has already gathered forecasts for the number of mechanical engineering graduates from nearby colleges. Now she wants to test various salaries and determine the corresponding percentages of graduates who would accept a job offer with her company. This will allow the HR manager to advise the best salary range to offer, given the supply of labor. Which information system is intended for this kind of analysis? O a decision support system O an expert system O an HR dashboard O a transaction-processing system O a transitional matrix