Hi, I need Accounting help please

1. Time series (or trend) analysis is analysis in which c a. Ratio increases and decreases are presented for the past two accounting periods b. All items are presented as a percentage of one selected item on a financial statement c. A statistic is calculated for the relationship between two items on a single financial statement or for two items on different financial statements. C d. Dollar changes and percentage changes in a company's financial statement lines are compared over several years. 2. Turnover ratios differ from the current and quick ratios in that they a. Measure the efficiency with which a company uses its assets. b. Are based on net sales instead of cash. C. Are based on a point in time rather than a period of time. d. Measure the profitability of a company instead of its liquidity