https://en.m.wikipedia.org/wiki/Tribal-class_destroyer_(1905)

Type : Destroyer

Displacement : 860 - 940 tons

Length : 275 ft (84 m)

Beam : 28 ft (8.5 m)

Draught : 8 ft 6 in (2.59 m)

Propulsion : 2 or 3 shaft steam turbines, 12,500 shp (9,300 kW)

ca.200 tons oil

Speed : 33 knots (61 km/h; 38 mph)

Armament : 5 × QF 12 pdr 12 cwt Mark I, mounting P Mark I

or

2 × BL 4 in L/40 Mark VIII, mounting P Mark V

2 × single tubes for 18-inch (450-mm) torpedoes

올해 4척 생산 할 것.

21,470.4IC에서 940x4= 3760IC 차감시 17,630.4IC,

근데 여기서 전노급 전함 1척(17,500t)을 3년에 걸쳐 진수함에 따라 35,000IC를 분할 납부하므로 17,630.4IC에서 35,000÷3을 빼면 5963.333...IC가 남는다