Westlawn Company discloses the following for the year ended May 31, 2020:

Sales ................................................................................. $486,000
Sales discounts ..................................................................... 5,000
Sales returns ....................................................................... 12,100
Gross profit from sales .................................................... 115,000
Loss ....................................................................................... 23,500

Required Calculate 

(a) Net sales, 

(b) Total operating expenses, 

(c) Cost of goods sold, 

(d) Gross profit ratio (round to two decimal places).

Analysis Component: Refer to your answer in part (d). Westlawn experienced a gross profit ratio for the year ended May 31, 2019, of 22%. Is the change in the ratio favourable or unfavourable?