For each situation below, state whether it is an example of the income effect changing quantity demanded or an example of a change in income shifting demand. a. The mean income in Detroit rises and people purchase more homes.
b. The price of frozen pizza decreases, making frozen pizza more popular among college students.
c. A recession forces many people out of work and more people purchase ramen noodles than before.
d. An increase in the price of game consoles decreases sales, as fewer people can afford them.

Turrubiates corporation makes a product that uses a material with the following standards standard quantity 8.0 liters per unit standard price $2.50 per liter standard cost $20.00 per unit the company budgeted for production of 3,800 units in april, but actual production was 3,900 units. the company used 32,000 liters of direct material to produce this output. the company purchased 20,100 liters of the direct material at $2.6 per liter. the direct materials purchases variance is computed when the materials are purchased. the materials quantity variance for april is:

Jason started last week with $900 in his checking account. during the week, he wrote the checks below. at the end of the week, jason received a paycheck for $534.59. he recorded all of these transactions in his check register. trans typ./ check no. date description of transaction payment/ debit deposit/ credit (+) balance 900 00 241 12/4 miller's food market 53.21 53 21 groceries 846 79 242 12/7 frank's auto parts 24.05 24 05 oil and filter 822 74 243 12/8 mike's barber shop 15.00 15 00 haircut 807 74 deposit 12/9 paycheck 534.59 534 59 1,342 33 evaluate jason's check register. a. jason did a good job; everything is correct. b. the final balance is wrong; jason did not add everything correctly. c. jason should have written debit instead of deposit for the transaction type. d. jason entered the amount for his paycheck in the wrong column.

The sign at the bank reads, "wait here for the first available teller," suggests the use of a waiting line system.a. multiple server, single phaseb. random server, single phasec. single server, multiphased. multiple server, multiphasee. dynamic server, single phase