question 5 only. pls kindly help me with anything u can do for me. Thanks

SAIBT Quantitative Methods for Business S3 2016 Assignment 1 Due Monday 28 November 2016 1. An antique dealer charges the following commission (based on the selling price on any items sold on behalf of the client: 5.0% on the first $50,000 3.0% on the next $50,000 2.0% on the amount exceeding $100,000 (a) Calculate the commission that will be charged on an item that sell for $80,000. (b) If the dealer wants to receive a commission of $5,200, for how much should the item sell? 2. A partnership agreement states that half of the annual profit be distributed in proportion to each partner's investment in the partnership, and that the other half be distributed in proportion to the total number of hours that each partner worked in the business during the year. How should the most recent profit of $88,740 be allocated if the amounts invested by Doug, Bob and Sam are $82,500, $45,000, and $22,500, and their hours of work for the year were 427, 1709, and 1424, respectively? (Round final answer to nearest cents) 3. Daniel and Samuel were twin brothers who were each left a will inheritance of $2,000. Daniel invested his money for 3 years, at a simple interest rate of 7.8%. However, Samuel invested his money in an account for 3 years, at an annual interest rate of 8% compounded semiannually. At the end of 3 years, they both agreed to pool their respective accumulated amounts into one account for another 2 years. The annual interest rate of this account is 5% compounded quarterly. (a) How much accumulated principal did each twin have after 3 years? (Hint: Round final answer to nearest cents) (b) What was the accumulated principal of their pooled money at the end of the 5-year period? (Hint: Round final answer to nearest cents) (c) The twins' older brother Brian suggested an alternative investment strategy. Brian thinks they should immediately pool their money and invest the pooled amount in an account for 5 years, which pays interest at a rate of 4.8% per annum, compounded monthly. Daniel is arguing that 4.8% p.a. is a much lower interest rate compared to what they are currently offered. However, Samuel recalled their previous studies advocating on compound interest account. Write a short paragraph (5-6 sentences) advising the twin brothers their investment outcomes comparing both options. 4. For its \"One-Year No-Interest Sale\