xyz inc introduced a new reusable water bottleat the launch it was expected that product will attract many customers and 2600 units will be sold in the first month at expected unit price of $9,50 the cost production was expected to stand at $16000 in total.after a month of efforts actual results start coming in and actual units sold were 2,750 at a price of $8,75 per unit. The actual production cost was 15,500. Please identify three Relevant variances and calculate them. Please define the favorable vs unfavourable concept, when discussing these relevant variances.