In planning an influencer marketing campaign, a brand manager is evaluating the forecasted results provided by the marketing team. Assess the following statements about the forecasting approach and decide which align with best practices:
- Statement I: The forecast extrapolates engagement rates from influencers with varying audience demographics, applying them to the upcoming campaign.
- Statement II: Conversion rates from past campaigns involving influencers with similar follower profiles and niches are used to estimate potential sales.
- Statement III: The predicted traffic and engagement levels are based on a general analysis of influencers' overall performance, regardless of content style alignment with the brand.
- Statement IV: The forecast includes an ROI calculation that compares the anticipated sales impact with the investment for the influencer's involvement in the campaign.
Determine which statements are consistent with effective forecasting methods: