The Effect of Marcom,or of Its Specific Elements Such as Advertising,can

The effect of marcom,or of its specific elements such as advertising,can be gauged in terms of whether it generates a reasonable _____.

A)  return on marketing investment (ROMI)  
B)  return on customer investment (ROCI)  
C)  return on equity investment (ROEI)  
D)  return on brand investment (ROBI)  
E)  return on sales investment (ROSI)