Andy, Candy, and Sandy agree to split the annual cost of $3,600 for high speed internet for the apartment they share. If the three roommates agree to allocate the cost of the service and their usage of the monthly download allowance in the ratio 4 : 7 : 9, respectively:

a.What is the cost per month for the service that each roommate is responsible for?(Do not round intermediate calculations. Round your answers to 2 decimal places.)

Andy's cost$per monthCandy's cost$per monthSandy's cost$per month

b.How will the monthly usage allowance of 600 GB be distributed?(Do not round intermediate calculations.)

Andy's allowanceGBCandy's allowanceGBSandy's allowanceGB