Define what is meant by the terms Real GDP and Nominal (current dollar) GDP? What was the rate of growth (annualized) in real GDP in the 4^th quarter of 2021 and the 1^st quarter of 2022. Why is nominal GDP increasing much faster than real GDP? Is the US economy currently in a recession? Explain why? Is personal savings increasing or decreasing? Explain why? Does it make sense that stories like Walmart and Target are currently reporting increases in sales but decreases in profit and even the quantity of good sold? Explain why?