Burger Prince incurred the following costs during 2017 in the development and production of a new product: $50,000 in legal fees to obtain a patent $250,000 in the design and testing of a preproduction prototype and model $380,000 in engineering activity required to advance the design of the product to the point that it was ready for manufacture $70,000 in troubleshooting in connection with breakdowns during commercial production How much should be included in R&D expense for 2017? Select one: a $300,000 b.5630,000 C. $700,000 Od $680,000