Carla Vista Co. incurred research and development costs in 2021 as follows:

Materials used in research and development projects	$ 925000
Equipment acquired that will have alternate future uses in future research
and development projects	2750000
Depreciation for 2021 on above equipment	458333
Personnel costs of persons involved in research and development projects	725000
Consulting fees paid to outsiders for research and development projects	275000
Indirect costs reasonably allocable to research and development projects	200000
	$5333333

The amount of research and development costs charged to Carla Vista's 2021 income statement should be