Problem 6 (15 points) You have learned how to analyze a transaction (event). Each transaction affects financial statement items and thus financial ratios. Since financial ratios affect how a firm does its business, it is important to understand how an event affects ratios. Apple incurred an additional $4,500 in research and development expense paid for in cash. Wha would be the effect on the net profit margin ratio? Net income was $67,000 and sales was $405,000 before the transaction. Journalize the transaction and calculate the net profit margin before the transaction and the net profit margin after the transaction