I'm trying to add weekly sales data to a chart (attached) tracking monthly count that can't be broken out by week. Ideally, I would have the monthly 2019 and 2020 count as a bar chart and the weekly 2020 sales as a line chart. In the examples I'm finding for combo charts, the data has the same frequency, whereas I'm trying to match 52 records up against 12. Can anyone advise how I do this?
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