Aida created the following double bar graph. It illustrates the actual amount spent this year for household expenses per month and the budgeted amounts for the following year. The following year's amounts reflect a 5% increase over the cost of living adjustment (COLA).
Household Expenses

For June, the actual amount is $1,200 and the budgeted amount for Year 2 is $1,320.
a. What was the cost of living adjustment that Aida used to get the budgeted amount?
b. Determine the budgeted amount for January of Year 2.
c. The August actual amount was the exact amount Aida had budgeted for. This actual amount reflected an 8% increase over the previous year's actual amount for August. What was the previous year's actual amount for August rounded to the nearest dollar?

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S1,900 $1,700 S1,500 S1,300 $1,100 $900 $700 $500 Jan Feb Mar Apr May Jun Aug Sept Oct Nov Dec Months Actual Amount Year 1 Budgeted Amount Year 2