32. Consider an economy that produces only smartphones and laptops. Last year, 10 smartphones were sold at $800 each, and 5 laptops were sold at $1,000 each, while this year, 15 smartphones were sold at $900 each, and 10 laptops were sold at $1,100 each. Real GDP this year, using last year as a base year, is: a. $22,000. b. $24,500. c. $11,000. d. $13,500.