According to the texas constitution (article 3, section 49j), state debt cannot be greater than what percentage of state revenue?

The city of imperial falls contracts with evergreen waste collection to provide solid waste collection to households and businesses. until recently, evergreen had an exclusive franchise to provide this service in imperial falls, which meant that other waste collection firms could not operate legally in the city. the price per pound of waste collected was regulated at 25 percent above the average total cost of collection. cost data for the most recent year of operations for evergreen are as follows: