The MMA Club is a mixed martial arts fitness centre in Los Angeles, California. The marketing manager would like to review the sales records to determine which quarter should be allocated a higher marketing budget. The MMA sales record 2014 - 2017 Year 2014 2015 Quarter Memberships Sales (units) 3 10,000 4 17,000 1 20,000 2 17,000 3 21,000 4 40,000 1 35,000 2 33,000 3 34,000 4 46,000 1 29,000 2 22,000 3 28,000 2016 WIN WNPA 2017 (a) Using three point moving average, calculate the following: (show all your working) (0) the sales trend (ii) the seasonal variation for quarter 3 (iii) the seasonal variation for quarter 4 The MMA Club is a mixed martial arts fitness centre in Los Angeles, California. The marketing manager would like to review the sales records to determine which quarter should be allocated a higher marketing budget. The MMA sales record 2014 - 2017 Year 2014 2015 Quarter Memberships Sales (units) 3 10,000 4 17,000 1 20,000 2 17,000 3 21,000 4 40,000 1 35,000 2 33,000 3 34,000 4 46,000 1 29,000 2 22,000 3 28,000 2016 WIN WNPA 2017 (a) Using three point moving average, calculate the following: (show all your working) (0) the sales trend (ii) the seasonal variation for quarter 3 (iii) the seasonal variation for quarter 4