Over the Past Two Months, Lisa Has Received Several Orders

Multiple Choice

Over the past two months, Lisa has received several orders for goat grazing services. The order date, promise date, and delivery dates are shown in the table below. $$\begin{array} { | c | c | c | } \hline \text { Order Date } & \text { Promise Date } & \text { Delivery Date } \\\hline \text { June } 1 & \text { June } 2 & \text { June } 3 \\\hline \text { June } 1 & \text { June } 4 & \text { June } 4 \\\hline \text { June } 6 & \text { June } 7 & \text { June } 7 \\\hline \text { June } 13 & \text { June } 15 & \text { June } 15 \\\hline \text { June } 15 & \text { June } 16 & \text { June } 18 \\\hline \text { June } 15 & \text { June } 18 & \text { June } 20 \\\hline \text { June } 18 & \text { June } 22 & \text { June } 22 \\\hline \text { June } 19 & \text { June } 25 & \text { June } 25 \\\hline \text { June } 20 & \text { June } 27 & \text { June } 27 \\\hline \text { June } 22 & \text { June } 29 & \text { June } 29 \\\hline \text { June } 24 & \text { June } 28 & \text { June } 30 \\\hline \text { June } 26 & \text { July } 4 & \text { July } 4 \\\hline \text { June } 28 & \text { July } 8 & \text { July } 7 \\\hline \text { June } 30 & \text { July } 8 & \text { July } 9 \\\hline\end{array}$$
What is Lisa's percentage of on-time deliveries?

A) 75%
B) 64%
C) 56%
D) 51%