 In May 1998, rumours that KPS was close to collapse circulated on the internet, triggering panic rentals and the lack of confidence caused coupon sales to plunge.The collapse of Maria Bakery, who were unable to fulfil their pre-paid coupon commitments, also led consumers to lose faith in the coupon system.On 23 June 1998, KPS announced a Coupon Burn campaign, in which customers were given until 1 August 1998 to redeem coupons for rentals or convert them for purchases, in which two coupons would equal to $25 HK dollars on purchases over $100 Hong Kong dollars.