Hall Co. incurred research and development costs in 2019 as follows: Materials used in research and development projects 850,000 Equipment acquired that will have alternate future uses in future research and development projects 3,000,000 Depreciation for 2019 on above equipment 300,000 Personnel costs of persons involved in research and development projects 750,000 Consulting fees paid to outsiders for research and development projects 300,000 Indirect costs reasonably allocable to research and development projects 225,000 5,425,000 Assume economic viability has not been achieved. The amount of research and development costs charged to Hall's 2019 income statement should be Select one: O a. 2,425,000 O b. 2,200,000 c. 1.900,000 d. 4,900,000