Shiller Corporation Has the Following Sales Forecasts for the Selected

Shiller Corporation has the following sales forecasts for the selected three-month period in 2018: $$\begin{array} { l r } \text { Month } & \text { Sales } \\\text { July } & \$ 24,000 \\\text { August } & 14,000 \\\text { September } & 16,000\end{array}$$ All sales are on account. Seventy percent of sales are collected in the month of the sale, and the remainder are collected in the following month. $\begin{array} { l } \text {Accounts receivable balance (July 1, 2018) }&\$20,000\\ \text { Cash balance (July 1, 2018) }&10,000\\\end{array}$
Minimum cash balance is $10,000. Cash can be borrowed in $1,000 increments from the local bank (assume no interest charges) . How much cash would be collected in September from sales?

A) $15,400
B) $17,000
C) $16,000
D) $20,000