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BPC-157 and TB-500 are not approved by the U.S

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Variable costcost is the same per unit but the total changes depending on quantity Fixed costcost is the same in total regardless of quantity but the per unit cost changes depending on quantity Mixed costcost has both a variable and a fixed component Cost behavior must be considered to estimate how profits are affected by changes in sales prices, sales volume, unit variable costs, total fixed costs, and the mix of products sold