When supply and demand both increase, the

It is possible for an economy to keep its currency overvalued against the dollar if:

A) it sells the domestic currency in the foreign exchange market. B) it has substantial domestic currency reserves. C) it buys the dollar in the foreign exchange market. D) it has substantial dollar reserves.

Given the data in the above table, if income is $16, and the price is $1 for a bottle of water and $2 for a hamburger, what is the quantity of water and the quantity of hamburgers that will maximize the consumer's total utility?

A) 5 bottles of water and 5 hamburgers B) 4 bottles of water and 6 hamburgers C) 6 bottles of water and 5 hamburgers D) 6 bottles of water and 6 hamburgers