The Espresso Cart Has Had the Following Pattern of Espresso

Essay

The Espresso Cart has had the following pattern of espresso sales over the last two weeks:
$\begin{array}{llll}\text { Week } 1&&\text { Week } 2\\\text { Monday } & 873 & \text { Monday } & 91 \\\text { Tuesday } & 904 & \text { Tuesday } & 859 \\\text { Wednesday } & 911 & \text { Wednesday } & 90 \\\text { Thursday } & 887 & \text { Thursday } & 900 \\\text { Friday } & 899 & \text { Friday } & ?\end{array}$ What is the forecast for Friday's sales using a three-day moving average?