Mountain Fun manufactures snowboards. Its cost of making $2,100$ bindings is as follows:

$($Click the icon to viow the costs.$)$

Read the requirements. For the Difference column, use a minus sign or parentheses only when the cost of outsourcing exceeds the cost of making the bindings in$-$house.$)$ of Mountain Fun's facilities. $($Only enter the net relevant costs. Enter all costs as positive values. Use a minus sign or parentheses for decreases to net costs.$)$