ESPP SALES

I sold stocks that were acquired through ESPP and dividend reinvestment of the stocks acquired through ESPP of a former employer. I received a W2 from my former employer for the sale and also a form 1099-B from my broker. How does turbo tax handle issues like this? I entered the info the way they are and am being asked for an adjusted cost basis. My broker told me I have all I need to file. No form 3392 was ever provided by my employer when these shares were acquired. How do I go about this?

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