\(\newcommand{\Volume}{\mathrm{Volume}}
\newcommand{\xLow}{\mathrm{xLow}}
\newcommand{\xHigh}{\mathrm{xHigh}}
\newcommand{\Mcost}{\operatorname{Marginal Cost}}
\newcommand{\cost}{\operatorname{Cost}}
\newcommand{\Mrev}{\operatorname{Marginal Revenue}}
\newcommand{\revenue}{\operatorname{Revenue}}
\newcommand{\profit}{\operatorname{Profit}}
\newcommand{\Mprofit}{\operatorname{Marginal Profit}}
\newcommand{\Pprofit}{\operatorname{Predicted Profit}}
\newcommand{\price}{\operatorname{Price}}
\newcommand{\Dprice}{\operatorname{Demand Price}}
\newcommand{\Pprice}{\operatorname{Purchase Price}}
\newcommand{\Sprice}{\operatorname{Supply Price}}
\newcommand{\marginal}{\operatorname{Marginal}\,}
\newcommand{\linear}{\operatorname{Linear}\,}
\newcommand{\abs}[1]{\left\lvert #1\right\rvert}
\newcommand{\quantity}{\mathrm{Quantity}}
\newcommand{\AnnualCost}{\operatorname{Annual Cost}}
\newcommand{\AnnualExpense}{\operatorname{Annual Expense}}
\newcommand{\RepairFactor}{\mathrm{Repair Factor}}
\newcommand{\Sales}{\operatorname{Sales}}
\newcommand{\prediction}{\operatorname{prediction}}
\newcommand{\FutureValue}{\operatorname{Future Value}}
\newcommand{\demand}{\operatorname{Demand}}
\newcommand{\val}{\operatorname{Value}}
\newcommand{\raw}{\mathrm{raw}}
\newcommand{\gizmos}{\operatorname{gizmos}}
\newcommand{\intermediate}{\mathrm{intermediate}}
\newcommand{\tax}{\operatorname{tax}}
\newcommand{\FaceValue}{\operatorname{Face Value}}
\newcommand{\rate}{\mathrm{rate}}
\newcommand{\years}{\mathrm{years}}
\newcommand{\expense}{\operatorname{expense}}
\newcommand{\FutureAmount}{\operatorname{FutureAmount}}
\newcommand{\InitialDeposit}{\mathrm{InitialDeposit}}
\newcommand{\ppy}{\mathrm{ppy}}
\newcommand{\PresentAmount}{\operatorname{PresentAmount}}
\newcommand{\PriceGizmo}{\mathrm{PriceGizmos}}
\newcommand{\QuantityGizmo}{\mathrm{QuantityGizmos}}
\newcommand{\QuantityGadget}{\mathrm{QuantityGadgets}}
\newcommand{\QuantityWidget}{\mathrm{QuantityWidgets}}
\newcommand{\PriceWidget}{\mathrm{PriceWidgets}}
\newcommand{\PriceGadget}{\mathrm{PriceGadgets}}
\newcommand{\QW}{\mathrm{QW}}
\newcommand{\QG}{\mathrm{QG}}
\newcommand{\PW}{\mathrm{PW}}
\newcommand{\PG}{\mathrm{PG}}
\newcommand{\Production}{\operatorname{Production}}
\newcommand{\Labor}{\mathrm{Labor}}
\newcommand{\Capital}{\mathrm{Capital}}
\newcommand{\Linear}{\operatorname{Linear}\,}
\newcommand{\PriceX}{\mathrm{PriceX}}
\newcommand{\PriceY}{\mathrm{PriceY}}
\newcommand{\predicted}{\operatorname{predicted}}
\newcommand{\Time}{\mathrm{time}}
\newcommand{\TotalAmount}{\operatorname{TotalAmount}}
\newcommand{\TotalValue}{\operatorname{TotalValue}}
\newcommand{\CashAmount}{\mathrm{CashAmount}}
\newcommand{\DepositAmount}{\mathrm{DepositAmount}}
\newcommand{\AvailableTrees}{\operatorname{AvailableTrees}}
\newcommand{\Capacity}{\mathrm{Capacity}}
\newcommand{\Amount}{\operatorname{Amount}}
\newcommand{\InitialAmount}{\mathrm{InitialAmount}}
\newcommand{\InvestmentAmount}{\mathrm{InvestmentAmount}}
\newcommand{\Return}{\operatorname{Return}}
\newcommand{\SD}{\mathrm{SD}}
\newcommand{\Antideriv}{\operatorname{Antideriv}}
\newcommand{\MC}{\operatorname{MC}}
\newcommand{\MP}{\operatorname{MP}}
\newcommand{\MR}{\operatorname{MR}}
\newcommand{\CDFf}{\operatorname{CDFf}}
\newcommand{\Principal}{\operatorname{Principal}}
\newcommand{\ProducerSurplus}{\mathrm{ProducerSurplus}}
\newcommand{\ConsumerSurplus}{\mathrm{ConsumerSurplus}}
\newcommand{\TotalSocialGain}{\mathrm{TotalSocialGain}}
\newcommand{\Elasticity}{\operatorname{Elasticity}}
\newcommand{\lt}{<}
\newcommand{\gt}{>}
\newcommand{\amp}{&}
\definecolor{fillinmathshade}{gray}{0.9}
\newcommand{\fillinmath}[1]{\mathchoice{\colorbox{fillinmathshade}{$\displaystyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\textstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptscriptstyle\phantom{\,#1\,}$}}}
\)