Indigo,acompanythatmanufactureselectricchimneys,isbasedinthecountryofTerrania.Indigoaimstoincreaseitssalesbyincreasingadvertisingeffortsandundertakingfrequentpromotionalevents.WhichofthefollowingstrategiesisIndigousinginthisscenario? A: market penetration B: market development C: downsizing D: diversification E: product development