A company knows that unit cost C and unit revenue R from the production and sale of x units are related by C=R^2/100,000 + 3064. Find the rate of change of revenue per unit when the cost per unit is changing by $11 and the revenue is $4000.

Peninsula products has just applied for a loan at your bank. when reviewing peninsula's books for the year that just ended, you notice that the firm uses the fair value option for its bonds payable. you also see that the firm recorded a $55,000 debit in its bonds payable account and a $55,000 credit in its unrealized holding gain or loss"income account. over that same period, interest rates decreased by about 0.5 percent. how should this information affect the bank's decision as to whether to grant peninsula a loan? a : the bank should strongly consider giving a loan to peninsula because the changes in firm's bonds payable and unrealized holding gain or loss"income accounts suggest that peninsula has seen an increase in its credit rating over the past year. b : the bank should put little emphasis on the changes in peninsula's bonds payable and unrealized holding gain or loss"income accounts because these changes are likely the result of the rise in interest rates. c : the bank should hesitate before giving a loan to peninsula because the changes in firm's bonds payable and unrealized holding gain or loss"income accounts suggest that peninsula has seen a decline in its credit rating over the past year. d : the bank should put little emphasis on the changes in peninsula's bonds payable and unrealized holding gain or loss"income accounts because these changes are likely unrelated to either interest rates or the firm's credit rating.

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.

Aiden is 19 years old, unmarried, and was a first-year full-time student working on a degree in accounting during 2018. he has never had a felony drug conviction. aiden did not provide more than half of his own support and can be claimed as a dependent by his mother. aiden’s income was $4,000 in wages working as a part-time cook at a fast food restaurant. aiden received form 1098-t indicating $5,000 for payments received for qualified tuition and related expenses in box 1. he received $8,500 in scholarships and grants, which was reported in box 5. aiden’s scholarship was used to pay for room and board, tuition, and books. the cost of his books was $845. aiden is a u.s. citizen with a valid social security number. 1. which of the following statements is true? a. the portion of the scholarship that was not used for qualified educational expenses must be included in aiden's income. b. the amount spent on books is not a qualified education expense. c. the taxable portion of the scholarship must be reported on aiden's mother’s return. d. none of aiden's scholarship is taxable.