ravis Metals heats copper ingots to a high temperature by placing them in a large oven. The heated ingots are then run through a shaping machine that forms them into wire. Due to the length of time it takes the oven to heat up$,$ it is never turned off. When the ingots are placed in the oven the temperature is raised to a higher level. Once they are done being heated the oven temperature is turned back down until a new batch of ingots is ready to be heated. The following information shows the ingots processed and the power costs over the past $10$ months.

Month Ingots Power Cost

January $118$ $ $5,820$

February $98$ $ $4,820$

March $88$ $ $4,720$

April $108$ $ $5,320$

May $138$ $ $6,320$

June $128$ $ $5,920$

July $78$ $ $4,320$

August $68$ $ $3,520$

September $58$ $ $3,720$

October $48$ $ $2,720$

Problem $3-14($Algo$)$ Part $1-$b

$1-$b$.$ Do power costs appear to be related to the number of ingots processed in a month?