(For all requirements, round your answers to 2 decimal places.) Required: a. Interest coverage ratio (Assume that year 1 EBIT was 1,307 and year 1 interest expense was 120.) b. Average collection period (Assume that the accounts receivable balance was 960 on December 31 of the previous year and that year 1 sales were 2,728.) (Use 365 days in a year.) c. Current ratio d. Quick ratio