Cost Inputs
-$10/hour for all labor
-$25/hour to operate filling tractors
-$10/hour to operate unloading tractors
-$25/ton on all silage losses not labeled
-Interest calculated at 7% on a 15 year loan on the tower, 10 years on the  bunker, 10 years for bagger, pad, and skid steer
-Losses during feed out are: bunker 1%; bag, 1%

Tower Costs

-$116,000 initial cost for 3000 ton tower with 20-year life span
-$48,000 initial cost for 1000 ton tower with 20-year life span
-$28,000 for tower unloader with 13-year
-$.52/hour to operate unloader for 1-hour/day on 3000 ton, ½-hour/day
 on 1000 ton
-$7,000 initial cost for blower with 6-year life span
-32 hours to fill the 3000 ton tower silo, 15 hours to fill 1000 ton silo

Bunker Costs

-$57,000 initial cost on the 3000 ton bunker and $42,000 for 1000 ton,
  each with 20 year life spans
- 10-year life span on $40,000 unloading tractor for the 3000 ton bunker
  with 60% of use in the bunker
- 10-year life span on $20,000 unloading tractor in the 1000 ton bunker
  with 60% of use in the bunker
- 50 hours in packing the 3000 ton bunker, 18 hours in the 1000 ton
- bunker
- 2,5 hours/day unloading bunker for 3000 ton
- - 1 hour/day unloading bunker for 1000 ton

Bag Cost

- 30 hours to fill the 3000 tons in bags, 10 hours to fill 1000 tons in bag
- 7 year life span on $16,000 skid steer for bags with 70% of use for bag
- 3 hours/day unloading bag for 3000 ton
- 1.5 hours/day unloading bag for 1000 ton
- $23,000 bagger with 10-year life
- $39,000 for the concrete pad for 3000 tons of bag storage
- $15,000 for the concrete pad for 1000 tons of bag storage

All inputs have been taken from research universities, or where Applicable, inputs are averages from several producers or
implement Dealers.