Suppose Chris Is a Potter Who Makes Mugs The Marginal Cost If the 4ᵗʰ Mug Per Day Is

Multiple Choice

Suppose Chris is a potter who makes mugs. His total costs depend on the number of mugs he makes each day, as shown in the accompanying table. $$\begin{array} { | c | c | } \hline \text { Number d Mugs Per Day } & \text { Tatal Cast Per Day } \\\hline 0 & \$ 10 \\\hline 1 & \$ 14 \\\hline 2 & \$ 19 \\\hline 3 & \$ 25 \\\hline 4 & \$ 32 \\\hline 5 & \$ 40 \\\hline 6 & \$ 49 \\\hline\end{array}$$  
The marginal cost if the 4ᵗʰ mug per day is ________.

A) $5
B) $7
C) $8
D) $32