receivables balance originated in each of the previous six months. The company had annual sales of $$2\mathrm{.}40$ million and it normally extends $30-$day credit terms to its customers.

a$.$ Use the year$-$end total to evaluate the firm's collection system.

b$.$ If $70\%$ of the firm's sales occur between July and December, would this affect the validity of your conclusion in part a$?$ Explain.

a$.$ The average collection period is days. $($Round to two decimal places.$)$

Data table

$($Click on the icon located on the top$-$right corner of the data table below in order to copy its contents into a spreadsheet.$)$

$\backslash$table$[[$Month of Amounts receivable origin$],[$July$,$$$3,880$