A state department of health is considering a public awareness campaign to encourage vaccination. It determines that the cost of this campaign would be $$640,000$ per year for the next $6$ years $($i$.$e$.,$ years $1-6).$ It estimates that the campaign would reduce rates of illness and communicable diseases. At the end of the first year of the campaign, the resulting savings would be $$1,200,000$; the savings would decrease by $$90,000$ each of the following $5$ years. Assuming a discounting factor of $5\%,$ compute the benefit to cost $($B$/$C$)$ ratio. Enter your answer with $2$ decimal places $($e$.$g$.,$ X$.$xx$).$