$\backslash$begin$\{$tabular$\}\{|$c$|$c$|$c$|$c$|$c$|$c$|$c$|$c$|\}$

$\backslash$hline Quantity & Price & $\backslash$begin$\{$tabular$\}\{$l$\}$

Total $\backslash \backslash$

Revenue

$\backslash$end$\{$tabular$\}$ & $\backslash$begin$\{$tabular$\}\{$l$\}$

Marginal $\backslash \backslash$

Revenue

$\backslash$end$\{$tabular$\}$ & Total Cost & Marginal Cost & Total Profit & Marginal Profit $\backslash \backslash$

$\backslash$hline $0$ & $90$ & $0$ & $---$ & $15$ & $---$ & $-15$ & $---\backslash \backslash$

$\backslash$hline $1$ & $80$ & $80$ & $80$ & $35$ & $20$ & $45$ & $60\backslash \backslash$

$\backslash$hline $2$ & $75$ & $150$ & $70$ & $65$ & $30$ & $85$ & $40\backslash \backslash$

$\backslash$hline $3$ & $70$ & $210$ & $60$ & $105$ & $40$ & $105$ & $20\backslash \backslash$

$\backslash$hline $4$ & $65$ & $260$ & $50$ & $155$ & $50$ & $105$ & $0\backslash \backslash$

$\backslash$hline $5$ & $60$ & $300$ & $40$ & $215$ & $60$ & $85$ & $\backslash (-20\backslash )\backslash \backslash$

$\backslash$hline $6$ & $55$ & $330$ & $30$ & $285$ & $70$ & $45$ & $\backslash (-40\backslash )\backslash \backslash$

$\backslash$hline $7$ & $50$ & $350$ & $20$ & $365$ & $80$ & $-15$ & $\backslash (-60\backslash )\backslash \backslash$

$\backslash$hline $8$ & $45$ & $360$ & $10$ & $455$ & $90$ & $-95$ & $-80\backslash \backslash$

$\backslash$hline

$\backslash$end$\{$tabular$\}$