Month Maintenance Costs Machine Hours Health Insurance Number of Employees Shipping Costs Units Shipped

January $$4,510170$ $$8,57063$ $$28,2407,060$

February $$4,473110$ $$8,57073$ $$32,9208,230$

March $$4,660239$ $$8,57089$ $$31,6007,900$

April $$4,870304$ $$8,570102$ $$25,7606,440$

May $$5,120459$ $$8,57084$ $$23,7605,940$

June $$4,745285$ $$8,57085$ $$36,9609,240$

July $$4,927338$ $$8,57088$ $$34,8008,700$

August $$4,916363$ $$8,57080$ $$33,7208,430$

September $$5,055429$ $$8,57090$ $$26,9606,740$

October $$5,226476$ $$8,570101$ $$28,4407,110$

November $$5,370500$ $$8,57091$ $$22,0005,500$

December $$4,795281$ $$8,570101$ $$38,4009,600$

Now determine the cost function for each cost. $($Enter all values in the same format as the general linear formula. If an input field is not used in the equation, leave the input field empty; do not enter a zero or select a label.$)$

Cost function

Maintenance y $=?+?$ per machine hour

Health insurance y $=?+?$ per unit shipped

Shipping costs y $=?+?$ per unit shipped