Silent Knights had the following financial statement excerpts:

Silent Knights Balance Sheet as at 12/31/19
	2019	2018
Cash	$ 36,000	$ 29,600
Accounts Receivable, gross	45,000	37,000
Allowance for Uncollectible Accounts	(5,000)	(4,000)

Silent Knights Income Statement for the year ending 12/31/2019
Sales (40% on account, 60% cash sales)	$ 300,000
Cost of Goods Sold	210,000
Uncollectible account expense	10,000
Interest expense	2,000

For the year 2019, what is Silent Knights':

Gross Profit?

Write-offs on accounts receivable

Cash collected from credit customers

Accounts Receivable (Net)