How Tatal Revenue change when price change ? Please use Elasticity and Demand curve to explain it .​

Which of the following is true of the strategy of planned and unplanned change in global marketing? a) cultural congruence involves deliberately changing certain aspects of culture to meet marketing goals.b) all marketing efforts require planned or unplanned change in order to be accepted.c) planned change involves marketing products similar to the ones already on the market.d) the first step in bringing about planned change in a society is to remove obstacles for acceptance of a product.e) social planners gained the acceptance of protein-rich diets among the peoples of underdeveloped societies using the strategy of planned change.