How do I calculate the amount of depreciation expense in Straight Line Method, Sum of Years Method,

How do I calculate the amount of depreciation expense in Straight Line Method, Sum of Years Method, and Declining Balance forAsset Cost Salvage Value Estimated LifeTruck $32,000 $5,000 6 yearsTractor $45,000 $3,000 7Corn Planter 35,000 0 7Barn 100,000 6,000 15Fences 25.000 0 10Cattle Squeeze chute $5,000 $500 7Computer 3,000 300 5I just don’t get it, there has to be a simple way that i can understand quick. I appreciate any help.

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