(1) The presumptively reasonable allocation for each line of business identified in 50-3-109(2), MCA, is as follows:

(a) for fire, 100%;

(b) for allied lines, 30%;

(c) for farmowners multi-peril, 40%;

(d) for homeowners multi-peril, 40%;

(e) for commercial multi-peril (nonliability), 50%;

(f) for commercial multi-peril (liability), 35%;

(g) for ocean marine, 12%;

(h) for inland marine, 15%;

(i) for other private passenger auto liability, 9%;

(j) for other commercial auto liability, 9%;

(k) for private passenger auto physical damage, 9%;

(l) for commercial auto physical damage, 9%;

(m) for aircraft, 15%;

(n) for burglary and theft, 20%; and

(o) for boiler and machinery, 15%.