A.年折舊率=(1-預(yù)計(jì)凈殘值率)÷折舊年限×100%,季折舊額=原值×年折舊率÷4,月折舊額=原值年折舊率÷12
B.每工作1小時(shí)折舊額=原值÷(1-預(yù)計(jì)凈殘值率)÷規(guī)定的工作小時(shí),單位里程折舊額=原值×(1-預(yù)計(jì)凈殘值率)÷規(guī)定的總行駛里程
C.年折舊率=2÷折舊年限×100%,季折舊額=凈值×年折舊率÷4,月折舊額=凈值×年折舊率÷12
D.年折舊率=2×(折舊年限-已使用年數(shù))÷折舊年限×(折舊年限+1)×100%,季折舊額=原值×(1-預(yù)計(jì)凈殘值率)×年折舊率÷4,月折舊率=原值×(1-預(yù)計(jì)凈殘值率)×年折舊率÷12