Consumer and Producer Theory

A small marketing agency has the following cost structure.

Monthly rent on office space = $5,000 Monthly wages of each copywriter = $2,000

Here are the units of output produced per month according to the number of copywriters hired.

No. of copywriters	Units produced per month
1	30
2	55
3	75
4	90
5	100
6	108
7	114
8	118
9	116
10	117

Till what number of copywriters was the firm experiencing economies of scale?

Please find below formula for your reference: Average Total Cost = Total Cost / Number of units produced