Ian Shields Communications, Inc., a cellular communications provider based in Michigan, has determined that its average CLV per customer is $$1,220.$ Last year, the company obtained $58,900$ new customers while spending $$3\mathrm{.}19$ million on advertising and promotion. In terms of personnel and operational costs, they spent $$5\mathrm{.}30$ million on their sales force and the total cost of their retail stores was $$16\mathrm{.}60$ million, of which approximately $72\%$ supported service and operations and the remainder was deemed for, marketing and sales. Finally, corporate overhead was $$3\mathrm{.}97$ million.

What was the CLV to CAC ratio for lan Shields last year?