Which are the three core drivers of revenue in a model and how would you forecast them?

• A. Advertising spend; customer churn; and tax rate; forecast by historical variance.
• B. Volume growth; price/mix; and product mix; forecast by market growth and share gains for volume, pricing strategy for price/mix, and planned product/region penetration for mix.
• C. Currency rates; capital expenditure; depreciation; forecast by macro trends.
• D. Debt levels; interest rate; dividend payout; forecast by policy.

Answer: (B)

In revenue forecasting, three levers determine how much money the business brings in: how many units you sell (volume), the prices you receive and how they vary by product (price/mix), and the makeup of what you sell (product mix across products or regions).

Volume growth is about how big the market is and how well you win share within it. Forecast volume by combining expected market growth with anticipated share gains or losses, and account for capacity or channel constraints that could limit or enable higher sales. If the market is growing and you’re expected to gain share, volumes rise even if pricing stays the same.

Price/mix captures how the average selling price shifts due to pricing actions and the mix of products or regions you sell. Forecast this by outlining planned price changes, discounting policy, and how the sales mix shifts toward higher- or lower-priced items or profitable regions. It’s the portion of revenue growth driven by pricing decisions and by selling more of the higher-value offerings.

Product mix reflects the planned composition of revenue across different products or regions. Forecast by your strategic plan for new products, regional rollout, lifecycle changes, and cannibalization effects. Even if total volume is unchanged, changing which products or regions you emphasize can alter revenue because different products and regions often command different prices and volumes.

Why the other options aren’t the right fit: those choices focus on marketing costs, retention, taxes, or financing items rather than the direct levers of revenue. Currency rates and macro trends affect reported revenue but aren’t the fundamental drivers of how revenue is built from volume, pricing, and mix. Debt, interest, and dividends are financing decisions, not core revenue drivers.