Sự gia tăng về giá cả một loại hàng hóa nào đó không chắc chắn là sự gia tăng của lạm phát.đúng hay sai?

Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening. a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number. include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i. e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?

The following transactions occur for badger biking company during the month of june: a. provide services to customers on account for $32,000. b. receive cash of $24,000 from customers in (a) above. c. purchase bike equipment by signing a note with the bank for $17,000. d. pay utilities of $3,200 for the current month. analyze each transaction and indicate the amount of increases and decreases in the accounting equation. (decreases to account classifications should be entered as a negative.)

If airlines do not change their prices how else might they try to compete with each other?