You are database designer for an internet store that has datacenters in 4 different regions (east, west, north and south) of the united states. you are tasked with implementing a nosql database for processing and analyzing the sales in each of the regions. for performance page 2 of 2 reasons you want to process the sales associated with the customers in each region in that region (for example the sales of customers located in eastern region are processed in the datacenter located in eastern region). you also want to provide resiliency so that if for any reason if two different data centers are down, you still are able to process the sales. what type of distribution model would you recommend? pictorially depict your recommended model (you can legibly draw your model on a sheet of paper, scan and submit).