Please answer and elaborate with detailed calculation on papers

Question 1 The data presented below is a sample of 20 customers transaction at a new Matahari department store/ Please use the following data set to answer Question 1 & 2. Transaction Custome Code Gender Membership Quantity Method of payment value 1 13229 M Gold Rp180.000 Cash 2 14347 M silver Rp26.000 Debit card 1309 F Silver Rp50.000 Debit card 4 10411 M Bronze Rp27.000 Cash 5 13578 M Gold Rp271.000 Credit Card 6 13147 F silver Rp470.000 Cash 7 13047 Bronze Rp216.000 Debit card 8 13233 F Bronze Rp133.000 Credit Card 9 14973 M Bronze Rp298.000 Debit card 10 13855 Silver Rp254.000 Debit card 11 12737 Silver Rp77.500 Cash 12 13186 M Gold Rp108.000 Debit card 13 12748 M Bronze Rp120.000 Cash 14 11694 M Silver Rp171.000 Debit card 15 10362 F silver p252.000 Debit card 16 1192: M Gold Rp280.000 Cash 17 11925 F silver Rp230.000 Cash 18 1009 M Bronze 10 p100.000 Credit Card 19 11257 Bronze W N Rp34.000 Debit card 20 10640 Bronze Rp129.000 Debit card Sales manager of a new Matahari department store outlet would like to know about their customers and their preferred method of payment. a. How many variables on that table/data set? b. Identify the scale of measurement for each variable. C. Construct a data distribution table for method of payment that consist of frequency, relative frequency, and percent frequency. d. Construct a bar graph of the frequency for method of payment. e. Which method of payment that the customer prefers the most