Referring to Plastics, Inc. information:

Description	2019	2018	2017	2016
Cash	$48	$500	$1,200	$1,889
Accounts Receivable	$1,732	$1,122	$817	$385
Inventory	$5,369	$3,255	$1,878	$808
Revenue	$12,156	$9104	$7,643	$4,388
Net Income	$2,310	$1,730	$1,452	$834

One conclusion we cannot reach based on this data is:

	A.	Plastics, Inc. has purchased too many fixed assets.
	B.	Customers are paying their bills slower and slower.
	C.	Profitability is increasing.
	D.	Inventory per sales dollar is increasing at an increasing rate.