Confidence votes 36. calcium is usually found under rocks and in bones and muscles In nature, calcium is found in rocks, chalk, and seashells. It is found in the bones, muscles, and nerves of animals and in many different plants.In the food you eat, there is a lot of calcium in milk and other dairy products.There is also a good deal of calcium in green leafy vegetables like spinach. Some foods like orange juice are frequently supplemented with calcium too.t is found in the bones, muscles, and nerves of animals and in many different plants. In the food you eat, there is a lot of calcium in milk and other dairy products. There is also a good deal of calcium in green leafy vegetables like spinach. Some foods like orange juice are frequently supplemented with calcium too.
View Full Document. 1  The incremental costs would be defined as the costs that are added by the additional pairs of shoes that the company is going to add to the production as well as the machine costs associated with them. 200 Shoes added to production = 20 + 0.16 X 200 = 23.2 + 2000 (Equipment Costs) = 2023.2 c.
Definition: Marginal Cost is an increase in total cost that results from a one unit increase in output. It is defined as: The cost that results from a one unit change in the production rate.t is the difference between the total cost of the 6th unit and the total cost of the, 5th unit and so forth. Marginal Cost is governed only by variable cost which changes with changes in output. Marginal cost which is really an incremental cost can be expressed in symbols.