Verizon is considering investing in a new cloud storage system. The initial cost of this system is $5M and has useful life of 7 years. The expected annual revenue of this machine is included in the table below. The cash flow at t 0 (at time now) =S include the CF sign if negative. Example: -9M) a (Write the number without commas and space and Year CF SO 2 S0 3 $3M 4 $2.5M 6 $2M 7 $1.5M