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(d) If the household uses purchased wood or coal for heat, the department will use the community heating cost points for oil in Appendix A multiplied by 0.8. (e) If the household uses purchased wood pellets for heat, the department will use the community heating cost points for oil in Appendix A multiplied by 0.9. (f) If a household uses electricity, steam, hot water, or propane for heat, the department will use the community heating cost points for oil in Appendix A. (g) The department will multiply the community heating cost points determined under (a) — (f) of this section by the first one of the following factors that describes the household’s dwelling. If more than one factor applies, the department will use the factor listed first:

(1) the factor of 1.4 if the household resides in a mobile home or boat with heated living space of 980 square feet or more;

(2) the factor of 0.4 if the household resides in a recreational vehicle, tent, or pickup camper;

(3) the factor of 0.15 if the household resides in a one-room dwelling such as a studio apartment, hotel, or boarding home;

(4) the factor of 0.35 ifthe household resides on a boat with less than 980 square feet of heated living space;

(5) the factor of 0.55 if the household resides in a one-bedroom dwelling, or a one-room house or cabin without bedrooms;

(6) the factor of 1.3 if the household resides in a three-or-more-bedroom single-family, duplex, or triplex home;

(7) the factor of 0.7 if the household resides in a two-bedroom unit in an apartment building of four or more attached units, or resides in a mobile home with less than 980 square feet of heated living space regardless of the number of bedrooms;

(8) the factor of 1.0 if the household resides in a two-bedroom single-family home. (h) If the household resides in a single dwelling with one or more other households, the heating cost points determined under (a) — (g) of this section are reduced to the household’s proportionate share of the home heating expenses. (i) The department will assign each household the following percentage of heating cost points determined under (a) — (h) of this section, based on the household’s gross monthly income and family size, expressed as a percentage of the Alaska poverty level:

(1) 40 percent of points if the household’s gross monthly income is more than 150 percent of the Alaska poverty level but no more than 175 percent of the Alaska poverty level;

(2) 30 percent of points if the household’s gross monthly income is more than 175