使用下列公式之一
=IF(E4>=D4*80%,IF(D4>100000,1000,IF(D4>50000,500,IF(D4>30000,300,0))),0)
=IF(E4>=D4*80%,LOOKUP(D4,{0,30000.01,50000.01,100000.01},{0,300,500,1000}),0)
=IF(E4>=D4*80%,LOOKUP(D4,{0,30000,50000,100000}+10^-5,{0,300,500,1000}),0)
=IF(E4>=D4*80%,LOOKUP(D4,{0,3,5,10}*10000+10^-5,{0,3,5,10}*100),0)