Intangible costs must also be factored in. This means that when inflation is factored out, costs should always decline. Wholesale sales figures are not factored into Amazon's calculations. Also, higher worker or student productivity can be factored into savings and cost deductions. As such, compensation costs were factored into Via's 2018 budget. Security factored into a number of project management considerations. Singular matrices can also be factored, but not uniquely. Some modulo operations can be factored or expanded similarly to other mathematical operations. Their numbers had not been factored into the demobilisation plans. Sometimes, an opportunity cost of not transacting is factored in. Joe tells him this has already been factored into the cost. Booking decisions also factored into the promotion's downfall. Budgetary concerns also factored into the adaptation, even with the level of 2006 technology. They are explained in the context of what information sets are factored in price trend. These are the elements that cannot be factored any further.