Read the paragraph. the gonzales family offers an impressive example of environmental consciousness. family members turn off lights and electronics as they leave their rooms. when the family is gone for the day, the air conditioning is set at a slightly higher temperature to reduce cooling costs. mr. and mrs. gonzales use reusable grocery bags that the family stores in the pantry. a backyard garden provides more than half of the vegetables that the family consumes, and rain barrels are used to irrigate the crops.

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Salge inc. bases its manufacturing overhead budget on budgeted direct labor-hours. the variable overhead rate is $8.10 per direct labor-hour. the company's budgeted fixed manufacturing overhead is $74,730 per month, which includes depreciation of $20,670. all other fixed manufacturing overhead costs represent current cash flows. the direct labor budget indicates that 5,300 direct labor-hours will be required in september. the company recomputes its predetermined overhead rate every month. the predetermined overhead rate for september should be:

Costco wholesale corporation operates membership warehouses selling food, appliances, consumer electronics, apparel and other household goods at 471 locations across the u. s. as well as in canada, mexico and puerto rico. as of its fiscal year-end 2005, costco had approximately 21.2 million members. selected fiscal-year information from the company's balance sheets follows. ($ millions). selected balance sheet data 2005 2004 merchandise inventories $4,015 $3,644 deferred membership income (liability) 501 454 (a) during fiscal 2005, costco collected $1,120 cash for membership fees. use the financial statement effectstemplate to record the cash collected for membership fees. (b) in 2005, costco recorded $46,347 million in merchandise costs (that is, cost of goods sold). record thistransaction in the financial statement effects template. (c) determine the value of merchandise that costco purchased during fiscal-year 2005. use the financial statementeffects template to record these merchandise purchases. assume all of costco's purchases are on credit.