titicaca, world's highest navigable lake is part of the titicaca national reserve, and was created in to preserve hectares of marsh reeds in the south & north sectors of the lake. amantaní is an island on the peruvian side of the lake. according to a census, it has a population of quechua-speakers divided...
"it's an accountancy term and any attempt to use the term roi on any of these flaky measures is completely misguided. roi is simply what you get back, divided by what you put in. in marketing, it is how much extra cost did you generate as a result of investing in marketing." field stresses that both...