Wanda owns a lemonade stand. She produces lemonade using five inputs: water, sugar, lemons, paper cups, and labor. Her costs per glass are as follows: $0.01 for water, $0.02 for sugar, $0.03 for lemons, $0.02 for cups, and $0.10 for the opportunity cost of her labor. She can sell 300 glasses for $0.50 each. What are Wanda's implicit costs per glass?

Whenever the balance on the current account (CA) is negative, it indicates that:

a) the trade deficit b) total spending (GNE) in the economy is greater than income (GNDI) and is financed by barrowing from abroad c) domestic investment is less than national savings d) income (GNDI) is greater than total spending (GNE) in the economy and the country is a net lender to the rest of the world

If the market clearing price of computer tablets falls from $400 to $300, and the market clearing output decreases from 5 million to 4 million units,

A) demand decreased and supply remained unchanged. B) supply increased and demand remained unchanged. C) demand increased and supply remained unchanged. D) supply decreased and demand remained unchanged.