The following information is taken from the records of Erie Corp.(in thousands) for the year ended on December 31:

	2019	2018
Sales	$1,397	$1,122
Cost of Goods Sold	935	814
Selling Expenses	154	121
General Expenses	88	77
Other Revenue	4	7
Interest Expense	2	9
Income Taxes	134	66

After preparing a vertical analysis of this income statement data, what were the favorable and unfavoralbe changes?