How much is the research and development expense in 20x1?" 1 point DEF Co. incurred the following costs during 20xl: Activities directed to the development of knowledge, including the design and construction engineering of a prototype equipment Design of tools, jigs and dies involving new technology Legal work on patent applications, sales licensing or litigation. Design, construction, and operation of a pilot plant not of A scale economically feasible for commercial production 4,800,000 7,800,000 3,000,000 5,225.000 1782500