Glendale Ltd. reported the following selected data at December 31, 2021 and 2020: 2021 2020 Total assets $515,000 $529,000 Total liabilities 309,000 302,000 Interest expense 13,000 12,000 Income tax expense 25,500 22,500 Profit 85,000 75,000 Calculate Glendale Ltd.'s (a) debt to total assets and (b) interest coverage ratios for each of the years 2021 and 2020 and comment on any trends