Reva has a jewellery business in a well-established shop. Her most recent profit and loss accounts show the following key figures:

20X5 20X4

£ £

Sales 696 400 55) 702 Cost of sales (416 447) (8527007)

Gross profit Pa AS yooh) 233095 A recent survey by the Jewellers’ Guild shows that average jewellery sales increased by 17.3% in 20X5 over the previous year. Also, it was found that the average gross profit margin in 20X5 among the survey respondents is 38.3%.

Which of the following is correct? An analysis of Reva’s figures shows:

a) | Ahigher than average increase in sales, and a higher than average gross profit margin.

b) A lower than average increase in sales, and a lower than average gross profit margin.

c) A higher than average increase in sales, and a lower than average gross profit margin.

d) A lower than average increase in sales, and a higher than average gross profit margin.