Now do the same 12~month CR calculations for the different monthly churn rates shown to fill in the table Monthly Churn Rate If Hubspot begins with l-l] customers, this is what theyr are left with en of the year for the different churn rates b. Is churning a lagging or a leading indicator? Why? c. How does churn relate to the VC's magic number metric? Why are VCs concerned about the? magic number and not focused on customer lifetime value and the LTVICAC ratio? How do these metrics differ. Following are the two ways CLVILTV and BBC can relate CLV = {m " L} CAC CIR CL'wr = (meR) {SAC tn = contribution margin generated from a customer in a year L= expected purchasing life of a customer {SAC = upfront cost of acquiring a customer Magic Number = (Change in revenues between this quarter and the prior quarter) * 4 Marketing expenditures in the orior ouarter