From the options given below, select the option which states the correct combination of correct sentences.
I. The analysis presented in the report indicate that there exists significant discrepancies in the data collected from various sources.
II. Despite encountering numerous operational challenges, the firm succeeded in maintaining its market position without compromising on profitability.
III. The director insisted that every employee should adhere to the prescribed guidelines strictly to ensure organizational discipline.
IV. Scarcely had the negotiations begun when the parties involved started raising objections regarding the proposed terms of agreement.