As the economy emerged from the most recent recession, household income rose by 6 percent. over the same period, total expenditures on beef increased by 3 percent. assuming that all other economic variables were held constant, a. the income elasticity of demand must be equal to 2. b. beef must be a normal good. c. beef must be an inferior good. d. both a and b are correct.

Read the following paragraph, and choose the best revision for one of its sentences.dr. blake is retiring at the end of the month. there will be an unoccupied office upon his departure, and it is big in size. because every other office is occupied, we should convert dr. blake’s office into a lounge. it is absolutely essential that this issue is discussed at the next staff meeting. (a) because every other office is occupied, it’s recommended that we should convert dr. blake’s office into a lounge. (b) because every other office is filled, we should convert dr. blake’s office into a lounge.