What are some of the different types of barriers to entry that give rise to monopoly power? give an example of each.

the most common types of barriers to entry are

a. exclusive rights, such as copyrights, patents, and licenses, and the availability of close substitutes, which can increase the price elasticity of demand.

b. environmental regulations, where production requires permits, and economies of scale, which can result in natural monopolies.

c. environmental regulations, where production requires permits, and exclusive rights, such as copyrights, patents, and licenses.

d. exclusive rights, such as copyrights, patents, and licenses, and economies of scale, which can result in natural monopolies.

e. exclusive rights, which can result in natural monopolies, and economies of scale, such as copyrights, patents, and licenses.

Sonic corp. manufactures ski and snowboarding equipment. it has estimated that this year there will be substantial growth in its sales during the winter months. it approaches the bank for credit. what is the purpose of such credit known as? a. expansion b. inventory building c. debt management d. emergency maintenance

Diversified semiconductors sells perishable electronic components. some must be shipped and stored in reusable protective containers. customers pay a deposit for each container received. the deposit is equal to the container’s cost. they receive a refund when the container is returned. during 2018, deposits collected on containers shipped were $856,000. deposits are forfeited if containers are not returned within 18 months. containers held by customers at january 1, 2018, represented deposits of $587,000. in 2018, $811,000 was refunded and deposits forfeited were $41,000. required: 1. prepare the appropriate journal entries for the deposits received and returned during 2018. 2. determine the liability for refundable deposits to be reported on the december 31, 2018, balance sheet.

Vulcan flyovers offers scenic overflights of mount st. helens, the volcano in washington state that explosively erupted in 1982. data concerning the company’s operations in july appear below: vulcan flyovers operating data for the month ended july 31 actual results flexible budget planning budget flights (q) 56 56 54 revenue ($350.00q) $ 16,500 $ 19,600 $ 18,900 expenses: wages and salaries ($3,300 + $91.00q) 8,354 8,396 8,214 fuel ($31.00q) 1,904 1,736 1,674 airport fees ($870 + $35.00q) 2,730 2,830 2,760 aircraft depreciation ($11.00q) 616 616 594 office expenses ($240 + $1.00q) 464 296 294 total expense 14,068 13,874 13,536 net operating income $ 2,432 $ 5,726 $ 5,364 the company measures its activity in terms of flights. customers can buy individual tickets for overflights or hire an entire plane for an overflight at a discount. required: 1. prepare a flexible budget performance report for july that includes revenue and spending variances and activity variances.