QUESTION $20-1$ POINT

Using the table, what is the average daily balance of the credit card for the August $1$ through August $31$ billing period? Round your answer to the nearest dollar.

$\backslash$table$[[$Day$,$Activity,Adjustment,Closing Balance$],[1,,,850],[8,$Payment,$-500,350],[16,$Purchase,$+100,450],[,$Purchas,$+200,650]]$