HARD ROCK'S MOSCOW CAFE MONTH 2 3 4 5 6 8 9 10 Guest count (in thousands) 21 24 27 32 29 37 43 43 54 66 Advertising e (in $ thousand) 14 17 25 25 35 35 45 50 60 60 al These figures are used for purposes of this case study.ANAGEMENT 5. At Hard Rock's Moscow restaurant, the manager is trying to evaluate how a new advertising campaign affects guest counts. Using data for the past 10 months (see the table), develop a least-squares regression relationship and then forecast the expected guest count when advertising is $65,000