Marksman's bow

Weapon Composite Bow Two Handed

Item Details

Utility 24.67
Bonus Level 17
Dyeable No
Sellable Yes
Tradeable Yes
Damage Info
DPS 11.8
Speed 3.9
Base Quality 94%

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Dexterity 7
All Archery 4

Raw Item JSON

{
  "sell_value" : 13827,
  "type_data" : {
    "damage_type" : 3,
    "left_handed" : 0,
    "dps" : 11.8,
    "base_quality" : 94,
    "range" : 1600,
    "two_handed" : 1,
    "skill_used" : 78,
    "clamped_dps" : 11.8,
    "speed" : 3.9
  },
  "bonus_level" : 17,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Ulif" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 564,
  "utility" : 24.666666666666664,
  "delve_text" : "Realm: Midgard\n \nMagical Bonuses:\n- ALL archery skills: 4 pts\n- Dexterity: 7 pts\n \n \nDamage Modifiers:\n- 11.8 Base DPS\n- 3.9 Weapon Speed\n- 94% Quality / 70% Condition\n- Damage Type: Thrust\n- Base Range: 1600\n \n- Effective Damage: 7.8 DPS\n \n \nBonus Level: 17\n",
  "salvage_amount" : 18,
  "artifact" : false,
  "material" : 37,
  "name" : "Marksman's bow",
  "usable_by" : [ 0 ],
  "realm" : 2,
  "id" : 6217,
  "category" : 1,
  "bonuses" : [ {
    "id" : 302,
    "type" : 2,
    "value" : 4
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 7
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?