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Refer to the data below and answer the ques ons that follow
A winery manufactures wine which is sold in only one outlet. The
wine bo les which are unsold in a year are again put for sale in
the outlet for the next year and so on un l all of them are sold.
The table below gives the par al data of the winery from 2010 to
2018.
The table below gives the sale figures of the wine for nine years
with respect to its year of manufacture.
The ‘–’ symbol indicates that no bo les remain to be sold in that
year as the stock has been exhausted earlier year.
Note: There were no outstanding bo les from previous years at
the start of 2010.