You have the following 4 statements

You have the following 4 statements. Indicate which statement is correct and which statement is wrong. Explain in detail why it is so. And pls do not copy and paste previous answer!!

a)If AD for goods and services exceeds output by $130 million, the national accounts statistician increases the category “investment in inventories” by $130 million.

b) If GDP calculated by adding up expenditures increases by $10 million compared to last year, we can conclude that people’s well-being increase by $10 million.

c)If number of discouraged workers increases by 1,000, the labour force decreases by 1,000 people.

d)If I celebrate by dipping into my savings to buy a $50 bottle of French champagne, this increase in imports decreases measured GDP by $50.