80 = 375 Candy (can find around 7.5k coins so 7,500/375 is 20 Coins/Candy)
82 = 900 Candy (can find around 14k, 15.5 Coins/Candy)
84 = 2,250 Candy (can find around 35k, 15.5 Coins/Candy)
87 = 8,925 Candy (can find around 130k, 14.5 Coins/Candy)
90 = 35,150 Candy (can find around 400k, 11.4 Coins/Candy)