Candalibra Company incurred the following costs during the year ended December$31,2022$:

Laboratory research aimed at discovery of new knowledge $$280,000.$

Costs of testing prototype and design modifications$($economic viability not$$ achieved$)$ $$55,000.$

Quality control during commercial$$ production, including routine testing of products $$230,000.$

Construction of research facilities having an estimated useful life of $12$ years but no alternative future use $$410,000.$

What is the total amount to be classified and expensed as research and development in $2022$ under U$.$S$.$ GAAP?