According to the Laffer curve, after raising the tax rate to some level, any further increase by government will cause tax revenues to decrease

Misty spends her entire weekly allowance of $15 on two goods: T-shirts (which cost $10 each) and lipstick (which costs $5)

What is the opportunity cost of a T-shirt? If her parents raise her allowance to $20 per week, what happens to the opportunity cost of a T-shirt?

________ in the domestic interest rate causes the demand for domestic assets to decrease and the domestic currency to ________, everything else held constant

A) An increase; appreciate B) An increase; depreciate C) A decrease; appreciate D) A decrease; depreciate