Use the data from the following demand schedule to answer the questions that follow.

$\backslash$table$[[\backslash$table$[[$Price $($P$)],[($Dollars$)]],$Quantity Demanded $($Q$)$

$\backslash$table$[[$Total Revenue $($TR$)],[($Dollars$)]],\backslash$table$[[$Marginal Revenue $($MR$)],[($Dollars$)]],],[4\mathrm{.}00,0,0\mathrm{.}00,3\mathrm{.}60],[3\mathrm{.}60,1,3\mathrm{.}60,2\mathrm{.}80],[3\mathrm{.}20,2,6\mathrm{.}40,2\mathrm{.}00],[2\mathrm{.}80,3,8\mathrm{.}40,1\mathrm{.}20],[2\mathrm{.}40,4,9\mathrm{.}60,0\mathrm{.}40],[2\mathrm{.}00,5,10\mathrm{.}00,-0\mathrm{.}40],[1\mathrm{.}60,6,9\mathrm{.}60,-1\mathrm{.}20],[1\mathrm{.}20,7,8\mathrm{.}40,-2\mathrm{.}00],[0\mathrm{.}80,8,6\mathrm{.}40,-2\mathrm{.}80],[0\mathrm{.}40,9,3\mathrm{.}60,-3\mathrm{.}60],[0\mathrm{.}00,10,0\mathrm{.}00,]]$

Make the unrealistic assumption that production is costless for the monopolist in this question.

The monopolist will charge a price of $$ per unit and sell $$ units. This will yield an economic profit of $$ for the monopolist.

Now assume the marginal cost is above zero and is equal to the marginal revenue of the fourth unit.

The monopolist will now charge $$ price and produce $q,$ when production was costless$.$ In turn, the monopolist will now earn $$ economic profit compared to when production was costless$.$

$$

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