Pauli purchased a disability policy four years ago, at a time when he was earning a $50,000 salary with a company that offered no group benefits. The insurance company would offer coverage based on a maximum of 70% of the insured's gross salary, so Pauli was entitled to as much as $35,000 a year of coverage ($2,917 a month). He took out a policy with a $2,750 monthly benefit and a 20% future purchase option (FPO) based on the original coverage. Pauli's salary has since increased to $60,000 a year ($5,000 a month) and he has an FPO due this month. What is the maximum amount of additional coverage that Pauli could acquire under the option?