Variable costs fluctuate directly with sales volume, such as purchasing inventory, shipping, and manufacturing a product.

Bear in mind that some costs may fluctuate.

Retailers were also able to eke out further discounts on consumer electronics, where costs can fluctuate wildly from one year to the next.

The project continued under Cannon into the term of Mayor John Peyton, but costs and the size of the project fluctuated.

The cost of getting to France fluctuates due to season and fuel surcharges, but fares for foot passengers remain low.

The cost fluctuates depending on usage but it generally costs us something just over $1000 a month.

The gap in the marginal revenue curve means that marginal costs can fluctuate without changing equilibrium price and quantity.

Just like gasoline prices, the cost of biodiesel fluctuates.

"That has made profits and costs fluctuate so much that it has been difficult to work out a company's rate of return," Mr. Lewis said.

As well, the cost of houses and observatories fluctuate dramatically.