MNO Inc. incurred the following costs during the year ended December 31, 2015:

Laboratory research aimed at discovery of new knowledge $230,000

Costs of testing prototype and design modifications 75,000

Quality control during commercial production, including routine testing

of products 270,000

Construction of research facilities having an estimated useful life of

6 years but no alternative future use 360,000

The total amount to be classified and expensed as research and development in 2015 is?