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.II AT&T1:07 PM96%BackLab 1oTuniction, as Siabove B7,DetailSubmissionGradeCell B7 should have: =SUM(B3:B6)Cell C7 should have: =SUM(C3:C6)Cell D7 should have: =SUM(D3:D6)Cell E7 should have: =SUM(E3:E6)Cell F7 should have: =SUM(B7:E7)I do recommend that you come to class orread section 1-5 for an "Introduction…