Incremental Cash Flow Calculator The following practice problem has been generated for you:Using the Rule of 72, how long does it take money to double at % interest rate?ncG1vNJzZmivp6x7rq3ToZqepJWXv6rA2GeaqKVfnrukvsSmnKeskaGspK3SoZafpJ%2Bse7G0z3inpXV3mrumvsCtnGSIopawtbXCnmKJqp%2BXuaa5