please Explain the reasonthe explaination is very important

Rainbows Limited is profitable. Rainbows Limiteds financial statement relationships are as follows: Required: For each of the following transactions or events, indicate the directional effect (increase, decrease, no change) on the Current Ratio, Debt to Equity Ratio, and Basic Earnings Per Share. Note that you must write either increase, decrease, or no change. A blank response will be marked incorrect. a). Switched to LIFO from FIFO for inventory valuation in a period of increasing prices. b). Pay some short-term payables using a exist50,000 long-term loan. c). Announced and conducted a 3-for-1 share split. d). Capitalise research and development costs on equipment that had been treated as an expense. e). Write off a bad debt. Rainbows Limited has no Allowance for doubtful debts account. Provide your answers in a table as illustrated below