$42$

Multiple Choice

$1$ point

Table $14-6$

John's Vineyard

$\backslash$table$[[$COSTS$,$REVENUES$],[\backslash$table$[[$Quantity$],[$Produced$]],\backslash$table$[[$Total$],[$Cost$]],\backslash$table$[[$Marginal$],[$Cost$]],\backslash$table$[[$Quantity$],[$Demanded$]],$Price,$\backslash$table$[[$Total$],[$Revenue$]],\backslash$table$[[$Marginal$],[$Revenue$]]],[0,$$$0,--,0,$$$80,,--],[1,$$$50,,1,$$$80,,],[2,$$$102,,2,$$$80,,],[3,$$$157,,3,$$$80,,],[4,$$$217,,4,$$$80,,],[5,$$$285,,5,$$$80,,],[6,$$$365,,6,$$$80,,],[7,$$$462,,7,$$$80,,],[8,$$$582,,8,$$$80,,]]$

Refer to Table $14-6.$ What is the marginal revenue from selling the $1$ st unit?

$$80$

$$50$

$$160$

$$30$