At the end of 20x5, SWP Corporation prepared its master budget for 20x6. Selected amounts from that budget, along with actual results for 20x6, are presented below:

		Budgeted		Actual
Sales		$180,000		$210,000
Research and development cost		25,000		20,000
Interest revenue		7,600		7,000
Cost of goods sold		60,000		65,000
Marketing costs		45,000		45,000

Which items in the table have favourable variances?

A.Sales and marketing expense

B.Cost of goods sold and sales

C.Sales and research and development expense

D. Sales and interest revenue