H&R Block CEO: Clearly this was a disappointing year

H&R Block Inc. CEO Bill Cobb takes full responsibility for earnings dropping 21 percent in the past year and vowed to turn things around.

The Kansas City-based tax preparer (NYSE: HRB) saw revenue decline $40.5 million to just over $3 billion in fiscal year 2016, which ended April 30. Its earnings dropped $103 million to $384 million.

As reported previously, H&R Block's assisted tax returns dropped for the fourth year in a row, down 5.8 percent in the past year to 12.2 million. Digital tax returns…