I think you are well lower than average for 'any' van carrier.
If my math is close, $12,000 per annum for fuel at $1.80 gal equals 6666 gallons burned. If you avg 14.7 mpg you'll travel about 98,000 miles to gross $40,000, you'll earn about 40 cents per mile. That's about 5 pre-tax cents...