Please answer the given financial question based on the context.
Context: advance auto parts , inc . schedule ii - valuation and qualifying accounts ( in thousands ) allowance for doubtful accounts receivable : balance at beginning of period charges to expenses deductions balance at end of period january 3 , 2015 $ 13295 $ 17182 $ ( 14325 ) ( 1 ) $ 16152 january 2 , 2016 16152 22067 ( 12461 ) ( 1 ) 25758 december 31 , 2016 25758 24597 ( 21191 ) ( 1 ) 29164 ( 1 ) accounts written off during the period . these amounts did not impact the company 2019s statement of operations for any year presented . note : other valuation and qualifying accounts have not been reported in this schedule because they are either not applicable or because the information has been included elsewhere in this report. .
|allowance for doubtful accounts receivable:|balance atbeginningof period|charges toexpenses|deductions||balance atend ofperiod|
|january 3 2015|$ 13295|$ 17182|$ -14325 ( 14325 )|-1 ( 1 )|$ 16152|
|january 2 2016|16152|22067|-12461 ( 12461 )|-1 ( 1 )|25758|
|december 31 2016|25758|24597|-21191 ( 21191 )|-1 ( 1 )|29164|
advance auto parts , inc . schedule ii - valuation and qualifying accounts ( in thousands ) allowance for doubtful accounts receivable : balance at beginning of period charges to expenses deductions balance at end of period january 3 , 2015 $ 13295 $ 17182 $ ( 14325 ) ( 1 ) $ 16152 january 2 , 2016 16152 22067 ( 12461 ) ( 1 ) 25758 december 31 , 2016 25758 24597 ( 21191 ) ( 1 ) 29164 ( 1 ) accounts written off during the period . these amounts did not impact the company 2019s statement of operations for any year presented . note : other valuation and qualifying accounts have not been reported in this schedule because they are either not applicable or because the information has been included elsewhere in this report. .
Question: what is the net increase in the balance of allowance for doubtful accounts receivable during 2015?
Answer:
2857.0