Pls include solutions and explainations

Determine the amount of revenues, expenses, and income for 20 times 4, 20 times 5, and 20 times 6 by using the percentage of completion method. GRW Company has the following account balances at the end of the year, before adjusting and closing entries. (All numbers are in thousands of dollars.) Calculate and interpret the year-end a. Quick and current ratios. b. Number of days on hand. c. Number of days' worth of sales represented by accounts receivable (i.e., collection period)