FORMULAS

QUANTITY: NEW - OLD / OLD

PRICE: NEW - OLD / OLD

PED (PRICE OF ELASTICITY DEMAND)- % CHANGE IN QUANTITY / CHANGE IN PRICE

TOTAL COST (TC): TFC + TVC

TOTAL FIXED COST (TFC): AFC X QUANTITY

TOTAL VARIABLE (TVC) : AVC X QUANTITY

TOTAL COST (TC): ATC X QUANTITY

MARGINAL COST (MC): OLD TC - NEW TC

AVERAGE FIXED COST (AFC): TFC / QUANTITY

AVERAGE VARIABLE COST (AVC): TVC / QUANTITY

AVERAGE TOTAL COST (ATC): TC / QUANTITY or AFC + AVC