BBQ Incorporated has provided you with the following selected information from 2020 and 2021: 2020 2021 Interest expense $ 15,500 $10,700 Income tax expense 18,000 22,000 Profit 68,000 60,000. Total assets 523,000 497,000 Total liabilities 285,000 234,000 Which of the following best interprets BBQ's interest coverage ratio? O a. Interest coverage ratio has improved compared to prior year, increasing from 6,5 to 8.7. b. Interest coverage ratio has weakened compared to prior year, decreasing from 3.8 to 2.7. Oc Interest coverage ratio has weakened compared to prior year, decreasing from 5.2 to 4.8. d. Interest coverage ratio has improved compared to prior year, increasing from 4.4 to 5.6