Help! Short or no explanations! Answer right and you will have postivle feedback! Answer all 4, because accouding to the policy in a single post I can ask 4 questions! Thanks

Question 21 (of 33) 21. Use the following selected information from Wheeler, LLC to determine the 2015 and 2014 common size percentages for cost of goods sold using Net sales as the base. Net sales Cost of goods sold Operating expenses Net earnings 2015 $ 571,400 232,900 84,940 42.940 2014 $ 461,800 136.610 81.860 30,440 179.8% for 2015 and 211.4% for 2014 40.8% for 2015 and 29.6% for 2014 55.6% for 2015 and 47.3% for 2014 123.7% for 2015 and 100.0% for 2014 7.5% for 2015 and 6.6% for 2014 22. An internal control system consists of the policies and procedures used to accomplish all of the following except: O Protect assets. Ensure reliable accounting Guarantee a return to investors. O Urge adherence to company policies. O Promote efficient operations. 2020 MCGH 23. The principles of internal control include: O Separate recordkeeping from custody of assets. Maintain minimal records. O Use only computerized systems. Bond all employees. O Require automated sales systems. 24. Principles of internal control include all of the following except: O Apply technological controls. O Maintaining security by having one person track and record assets. O Perform regular and independent reviews. O Separate recordkeeping from custody of assets. O Divide responsibilities for related transactions