A、CErtAin monEy mArkEt ACCount thAt hAD A BAlAnCE oF $48，000 During All oF lAst monthEArnED$360 in intErEst For thE month．At whAt simplE AnnuAl intErEst rAtE DiD thE ACCount EArn intErEst lAst month
A、7% B、7.5%
C、8%
D、8.5%
E、9%