SRL for [snowballed]: But the rate of the decline [snowballed] in August , with unit sales to dealers for the month down 10.5 % from a year earlier , according to the Recreation Vehicle Industry Association .
ARG-1: the rate of the decline | ARG-M-TMP: in August | ARG-M-ADV: with unit sales to dealers for the month down 10.5 % from a year earlier