onopoly: For grades

The table below presents the demand schedule and marginal costs facing a monopolist producer.

$\backslash$table$[[0,$P $($$$),$TR $($$$),$MR $($$$),$MC $($$$)],[0,10\mathrm{.}1,,,],[,,,,2],[1,9\mathrm{.}1,,,],[,,,,2],[2,8\mathrm{.}1,,,],[,,,,2],[3,7\mathrm{.}1,,,],[,,,,2],[4,6\mathrm{.}1,,,],[,,,,2],[5,5\mathrm{.}1,,,],[,,,,2],[6,4\mathrm{.}1,,,],[,,,,2],[7,3\mathrm{.}1,,,],[,,,,2],[8,2\mathrm{.}1,,,],[,,,,2],[9,1\mathrm{.}1,,,],[,,,,2],[10,0,,,]]$

a$.$ Fill in the total revenue and marginal revenue columns. Instructions: Round your answers to two decimal places and include a negative sign if appropriate. Leave no cells blank. Enter $0$ if appropriate.

b$.$ What is the profit$-$maximizing level of output? Instructions: Round your answers to the nearest whole number.

$$ units.

c$.$ What nrice will the mononolist charne for the al$$antitv in nart h$?$ Instructions$$ Round vour answers to the nearest whole number