I made an educated guess. "Never" might happen just as well as 1 year, but it's unlikely considering other similar companies (we can't measure business skills of the operator); also we're talking about how it'd be if the business is a success. 1 year is more likely than 1 month; 50 years is extremely improbable (this business will probably either succeed or fail within just a few years, again, considering other similar companies).