Read the assumptions before the answer

A numerical example lets a reader follow the consequences of stated conditions. It does not establish that those conditions describe a business they could buy or an offer they could obtain.

Infinite Upside moves between personal accounts and invented calculations. Chapter 6 makes that boundary explicit before using a hypothetical acquisition to examine the period between buying an operation and improving it. Reading the calculation well means keeping that boundary visible after the arithmetic begins.

Ask what kind of statement it is

Consider four statements about an invented furniture maker. Every amount and detail here is made up.

A reported event

The maker sold thirty stools last month. Within this fictional account, that describes something that has already happened.

A proposed condition

The next batch would contain fifty stools. This is a plan, not fifty completed sales.

A supplied quote

A supplier has quoted $20 of timber for each stool in a fifty-stool batch, with the full timber bill paid before delivery. In this example, the quote supplies both an amount and a payment condition.

A calculated consequence

Buying that batch requires $1,000 for timber under the supplied quote. The multiplication follows from the quantity and unit price. It does not establish whether the maker has the money or can sell the stools.

A discussion can go wrong when one kind of statement quietly becomes another. Fifty planned units become fifty likely customers. A quoted unit price becomes a price available for any quantity. A correct $1,000 calculation becomes evidence that the proposal is affordable.

Even accurate numbers can leave those questions unanswered.

Keep the condition attached to the number

Suppose the maker decides to buy timber for only thirty stools. At the old unit price, the multiplication would be $600. But the supplied quote applied to fifty. There is no thirty-stool price in this example.

The missing quote is not a reason to stop thinking. It is a reason to label the next calculation honestly. The maker could ask for a revised offer, or explore what different possible prices would mean. A scenario using $20 per stool would remain conditional until that price was actually available for the smaller order.

Timber is not the complete cost of making and delivering a stool. The example has supplied no figures for labor, tools, finishing, premises, delivery or selling. Those missing amounts cannot be filled with zeros merely because the timber calculation is neat.

The glossary explains the terms used in the book. Here the task is to keep the conditions around a figure attached as you carry it into the next sentence.

Change the assumption, then follow what depends on it

A useful variation changes something the decision depends on. Keep the fifty-stool timber quote, but move payment from before delivery to an agreed later date. The quoted bill can remain $1,000 while the date the maker needs the money changes.

That later payment term has not been offered in the original case. Treat it as an alternative to investigate, not a convenient correction to the supplier's actual position. The supplier-timing reading follows the work and money on the other side of that request.

Now imagine that the maker already accepted customer orders for forty stools. Reducing the production plan to thirty raises a different problem: what has been promised to the remaining customers? Changing a quantity is not only an edit to the cost calculation.

When a new assumption changes the answer, note the other statements that need revisiting. Does a supplier quote still apply? Does the timetable still work? Has a customer commitment been left behind? A correction needs somewhere to go develops that last step.

Bring back the question the example was built to answer

Chapter 6 uses its invented acquisition to make timing and trade-offs visible. The result of a calculation is not a claim that another buyer will find the same assets, prices, buyers or speed of improvement. The original account and the hypothetical comparison do different work.

A group can test its reading by stating a conclusion in two forms. First, say what follows under the supplied conditions. Then say what a person would still need to establish before using that conclusion for an actual choice. If the second sentence is empty, look again at what the example assumed.

You do not need to turn every illustration into a complete business plan. The omitted information may be outside the question it was written to examine. Name the limit, use what the example makes clear and leave the unsupported conclusion open.

After the multiplication is finished, return to the decision. What has become easier to see? Which necessary fact would still have to come from somewhere other than the page?