Andrews Ceramics produces specialty ceramic products for multiple uses. The company is evaluating a proposal from a start$-$up company that is manufacturing micro generators. The start$-$up wishes to purchase a quantity of your Type D$48$ ceramic spools. You believe that micro generators could be a growth market in the future. Being an early supporter of the start$-$up business could allow for substantial future business for your company.

Using regression analysis, determine the cost$-$estimating equation to manufacture Type D$48$ ceramic spools.

Month Spools Produced Manufacturing Costs

January $6,600$ $$6,675$

February $8,100$ $$6,650$

March $6,300$ $$6,300$

April $7,500$ $$6,900$

May $9,130$ $$8,080$

June $8,550$ $$8,640$

July $5,460$ $$6,600$

August $7,623$ $$7,832$

September $9,801$ $$7,315$

October $6,600$ $$6,468$

November $5,187$ $$6,270$

December $6,552$ $$6,975$

What is the lowest price that your company could accept without making the company worse off?

Enter your answer rounded to two decimals; for instance, $0\mathrm{.}4567=0\mathrm{.}46.$ Do not include the dollar sign $($$$)$ in your answer.