Technology and competition continue to accelerate the pace of business; thus, business writers switch to increasingly faster means of communication. consider the following scenario, and determine if a faster communication channel would be more appropriate. marianna is writing a letter to a customer informing him that flannery electronic will not be able to replace his defective stereo because the warranty has expired. marianna should call the customer. marianna should send the message as an e-mail. marianna has chosen the correct channel. a good writer anticipates the audience of a message. although you can’t always know exactly who the audience is, you can imagine the general characteristics of the receiver. profiling your audience allows you to adopt the appropriate tone, language, and channel

John and daphne are saving for their daughter ellen's college education. ellen just turned 10 at (t = 0), and she will be entering college 8 years from now (at t = 8). college tuition and expenses at state u. are currently $14,500 a year, but they are expected to increase at a rate of 3.5% a year. ellen should graduate in 4 years--if she takes longer or wants to go to graduate school, she will be on her own. tuition and other costs will be due at the beginning of each school year (at t = 8, 9, 10, and 11).so far, john and daphne have accumulated $15,000 in their college savings account (at t = 0). their long-run financial plan is to add an additional $5,000 in each of the next 4 years (at t = 1, 2, 3, and 4). then they plan to make 3 equal annual contributions in each of the following years, t = 5, 6, and 7. they expect their investment account to earn 9%. how large must the annual payments at t = 5, 6, and 7 be to cover ellen's anticipated college costs? a. $1,965.21b. $2,068.64c. $2,177.51d. $2,292.12e. $2,412.76