问题详情

A．Toallowpersonalcustomerstospreadtheincidenceofnormalpersonalandhouseholdexpenditure.
B．Tomakethepaymentoffuelbills,rates,seasontickets.
C．Topayearinsuranceandschoolfeesbyinstallments.
D．Totransfersomeamountbytwelveequalmonthlyinstallments.

请帮忙给出正确答案和分析，谢谢！