TERTIARY SECOR IS THE THIRD STAGE OF PRODUCTION, WHERE A SEVICE IS PROVIDED FOR CONSUMERS
PROFIT=REVENUE-COST
QUANTITY SOLD X PRICE=REVENUE
DIRECT COSTS + INDIRECT COSTS=TOTAL COSTS
INTERDEPENDANCE IS THE WAY IN WHICH BUSINESS IN DIFFERENT SECTORS OF BUSINESS ACTIVITYDEPEND ON EACH OTHER.tHE PRIMARY SECTOR DEPENDS ON THE SECONDARY SECTOR TO MAKE PRODUCTS FROM TH RAW MATERIALS IT PRODUCES. iN TURN, THE PRIMARY AND SECONDARY SECTORS DEPEND ON THE TERTIARY SECTOR TO PROVIDE THE NECESSARY SERVICES FOR THE BUSINESS
SECONDARY SECTOR IS THE SECOND STAGEOF PRODUCTION,WHERE THE RAW MATERIALS ARE MANYFACTURED INTO FINISHED PRODUCTS
PRIMARY SECTOR IS THEFIRST STAGE OF PRODUCTIONINVOLVINGTHE EXTRACTION OF THE RAW MATERIALS AND NATURAL RESOURCES
TOTAL COSTS/OUTPUT=AVERAGE COST
BREAK EVEN= FIXED COSTS/CONTRIBUTION PER UNIT
CHAIN OF PRODUCTION IS THE PROCESS OF A PRODUCT STARTING AS RAW MATERIAL;S,MANUFACTURED IN SECONDARY PRODUCTION AND THEN SERVICED IN SOMEWAY IN TERTIARY PRODUCTION