Nightwing Inc was formed in 2016 and sells goods only on account. Selected data related to uncollectible accounts receivable are presented below for your use as appropriate.

	2016	2017	2018
Credit Sales	$10,000	$11,000	$10,500
Collections on Account (including recoveries of previous write-offs)	7,000	9,800	9,700
Write offs of Accounts Receivable	150	250	350
Recoveries of Previous write-offs	0	35	45

Nightwing Inc uses percentage of receivable method for estimating uncollectible accounts receivable. Assume that the company estimates that it cannot collect 8% of its Accounts Receivables

Calculate Bad Debt expense for 2016, 2017 and 2018.