Note that marginal cost function in unaffected by fixed cost. Average cost is total cost divided by the output. This has to do with increasing or decreasing marginal costs. This is explained in more detail in our post on how to calculate marginal cost.

## Take the first derivative of the total cost function to find the marginal cost function.

How to steam potatoes in microwave how to boil potatoes in a microwave oven. Both are almost identical down to the last detail, but there are some differences, most notably the frontlight and the screen. It describes the cost per unit of output. How do you find average cost when you have total cost. With millions of active users worldwide, eBay is no doubt one of the biggest online marketplaces in the world, where anyone can sell and buy anything.

## First of all, we need to find the quantity of output.

So Total cost Average cost X No. We find how to calculate average total cost. If not, then you may have to obtain Q by carrying out profit maximization first. Factors effecting costs andprices.