If a government decides to move from a regressive tax system to a progressive tax system, there will be a(n) ________ in equity and a(n) ________ in efficiency

Consider the market for credit. When the demand for credit decreases while the supply of credit remains unchanged,

A) the interest rate will decrease and the amount of credit provided in the market will increase. B) the interest rate will increase and the amount of credit provided in the market will increase. C) the interest rate will decrease and the amount of credit provided in the market will decrease. D) the interest rate will increase and the amount of credit provided in the market will decrease.

Janelle spends all of her income on songs from iTunes ($1 each) and applications ($5 each) for her iTouch. If she makes her best affordable choice, she purchases 20 songs and 4 applications, what is her real income in terms of applications?

A) 40 applications B) 4 applications C) 10 applications D) 20 songs