I11: =INDEX(B3:B13,MATCH(MAX(D3:D13),D3:D13,0))&" - "&INDEX(C3:C13,MATCH(MAX(D3:D13),D3:D13,0))
The following are the corrected solutions:
I8: =INDEX(B3:B13,MATCH(MAX(E3:E13),E3:E13,0))
I9: =INDEX(B3:B13,MATCH(MIN(E3:E13),E3:E13,0))
Your last question, I13, is ambiguous