Tamarisk Merchants reported the following on its income statement for the fiscal year ended December 31, 2021 and 2020.

		2021			2020
Sales		$495,160			$475,490
Cost of goods sold
Beginning inventory		145,780			154,124
Net purchases		346,090			322,660
Ending inventory		(138,874)			(145,780)
Cost of goods sold		352,996			331,004
Gross profit		142,164			144,486
Operating expenses		87,568			89,168
Profit		$54,596			$55,318

Calculate the inventory turnover ratio for Tamarisk for 2021 and 2020. (Round answers to 2 decimal places, e.g. 52.75.) Calculate the days sales in inventory for Tamarisk for 2021 and 2020. (Round answers to 0 decimal places, e.g. 5,275 and use 365 days for calculation.) Calculate the gross profit margin for Tamarisk for 2021 and 2020. (Round answers to 1 decimal place, e.g. 52.7%.) Calculate the profit margin for Tamarisk for 2021 and 2020. (Round answers to 1 decimal place, e.g. 52.7%.) For each ratio calculated in (a), (b), (c) and (d) above, identify if the ratio has improved or deteriorated from 2020 to 2021.