What is the purpose of database normalization in tables?

Proportion of us adults who own a cell phone. in a survey of 1006 us adults in 2014, 90% said they had a cell phone.1

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Frolic corporation has budgeted sales and production over the next quarter as follows. the company has 4100 units of product on hand at july 1. 10% of the next months sales in units should be on hand at the end of each month. october sales are expected to be 72000 units. budgeted sales for september would be: july august september sales in units 41,500 53,500 ? production in units 45,700 53,800 58,150