please kindly help me with this question below

. A chain of sport shops catering to beginning skiers headquartered in Aspen, Colorado, plans to conduct a study of how much a beginning skier spends on his or her initial purchase of equipment and supplies. Based on these figures, they want to explore the possibility of offering combinations, such as a pair of boots and a pair of skis, to induce customers to buy more. A sample of their cash register receipts revealed these initial purchases:

$140$82$265 $168$90$114$172$230 $142$163

86125235212171149156162118118

139149132105162126216195127122

16113517222022912987128126145

175127149126121118172126138155

a. Organize the data into a frequency distribution, using the following five classes: 80 but less than 120, 120 but less than 160,160 but less than 200, 200 but less than 240, 240 but less than 280. Frequency, Percentage and Cumulative percentage should be included in the table; 20 marks

b. Draw a frequency histogram and an ogive(cumulative percentage polygon) based on the frequency distribution you have constructed. 10 marks