All else constant, if butter and margarine are substitute goods, then as the price of butter rises,
a. the demand for margarine will fall
b. the quantity of butter demanded will fall
c. the demand for butter will fall
d. the demand for butter will rise
e. butter and margarine will become complementary goods, provided that butter is a normal good

True or false: a smart store layout moves customers in and out as fast as possible. a) true b) false

As sales exceed the break‑even point, a high contribution‑margin percentage (a) increases profits faster than does a low contribution-margin percentage (b) increases profits at the same rate as a low contribution-margin percentage (c) decreases profits at the same rate as a low contribution-margin percentage (d) increases profits slower than does a low contribution-margin percentage

On september 1, 2016, steve loaned brett $2,000 at 12% interest compounded annually. steve is not in the business of lending money. the note stated that principal and interest would be due on august 31, 2018. in 2018, steve received $2,508.80 ($2,000 principal and $508.80 interest). steve uses the cash method of accounting. what amount must steve include in income on his income tax return?