Why aren't coffee producing countries as developed as coffee consumption countries?

Just due to chance , or it could be that coffee is their main source of income and while that may be a good source it isn’t good enough to make your country better

See diagram.we use washers to get the area and we will be integrating with respect to xouter radius is the  distance between y = e^x and y = -1    inner radius of washer is the distance between y = 1 and y = -1    the area of one cross-section of a washer is    solid lies between x = 0 and x = 2. the volume is    if you need this expanded, then    the question doesn't say to evaluate, so we're done.   

Ibelieve the answer would be a