In 2023, an automobile company produced 800 cars, selling 750 to consumers. The remaining 50 unsold cars were added to its inventory. If the firm sells all 50 cars out of its inventory to consumers in early 2024, what impact will this have on the national income account figures in 2024? Select all correct statements. Note: This is a multiple-answer question; thus, more than one option may be correct. a. Investment decreases in 2024. b. GDP does not change in 2024. c. GDP increases in 2024. d. Consumption increases in 2024