21. Atlas Builders deals strictly with five customers. The average amount each customer pays per month along with the collection delay associated with each payment is shown below. Given this information, what is the amount of the average daily receipts? Assume every month has 30 days. check amount collection delay a- $6,800 3days b $8,500 1day c $2,000 2days d $ 9,500 3days e $7,500 2days