ProductDepreciationMethod

One of:

• na_cost_is_zero : DEPRECATED: N/A - Cost is Zero/Included in Other CI or Service
• na_not_capitalized : DEPRECATED: N/A - Not Capitalized
• na_leased : DEPRECATED: N/A - Leased
• not_depreciated : Not Depreciated
• double_declining_balance : Double Declining Balance
• reducing_balance : Reducing Balance (or Diminishing Value)
• straight_line : Straight Line (or Prime Cost)
• sum_of_the_years_digits : Sum of the Year’s Digits