The annual sales of Crimson Pharmacy are expected to be given by S = 2.5 + 0.4t million dollars t years from now, whereas the annual sales of Cambridge Pharmacy are expected to be given by S = 1.2 + 0.8t million dollars t years from now. When will Cambridge's annual sales first surpass Crimson's annual sales?

The annual sales of Crimson Pharmacy are expected to be given by S = 2.5 + 0.4t million dollars t years from now, whereas the annual sales of Cambridge Pharmacy are expected to be given by S = 1.2 + 0.8t million dollars t years from now. When will Cambridge's annual sales first surpass Crimson's annual sales?