Lawnco, Inc. has run an internal competition that pitted its salespeople against each other, and it is time to determine a winner. See the screenshot below. Excluding the LOOKUP functions $($LOOKUP$,$ HLOOKUP, VLOOKUP, XLOOKUP$),$ what function can be used in cell E$5$ to find the unit sales of the person selected in cell E$4?($You should assume that the range A$1$:B$20$ has been named performance.$)$

$\backslash$table$[[,$A$,$B$,$c$,$D$,$E$],[1,$Salesperson,$\backslash$table$[[$Lawn$],[$Treatments$],[$Sold$]],,,],[2,$John,$65,,,],[3,$Jake,$65,,,],[4,$Jill,$110,,$Name,Harry$],[5,$Eric,$74,,$Units Sold,$],[6,$Alex,$68,,,],[7,$Alan,$100,,,],[8,$Derek,$81,,,],[9,$Hal,$93,,,],[10,$Harry,$54,,,],[11,$Jan,$92,,,],[12,$Carol,$86,,,],[13,$Vivian,$79,,,],[14,$Jennifer,$94,,,],[15,$Gregory,$58,,,],[16,$Dan,$52,,,],[17,$Max,$84,,,],[18,$Bob,$64,,,],[19,$Jeff,$51,,,],[20,$Wanda,$73,,,],[21,,,,,]]$

$=$ INDEX$($B$1$:B$20,$MATCH$($E$4,$A$2$:A$20,0))$

MATCH$($F$4$ A$2$ A$20$ O$))$