Short Answer
Marcel must temporarily invest extra money in his retail business every fall to purchase additional inventory for the Christmas season. On September 1 he already had a total of $57,000 invested in his business. Subsequently, he invested or withdrew cash on various dates as shown in the following table. 
What was the average cumulative investment in the business during the period from September 1 to August 31? (Assume that each month has the same length.)
Correct Answer:
Verified
Correct Answer:
Verified
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