I am using this:

=IF($C1=0;$D1;IF($C1<=0.15;$C1;IF(AND($B1<0;$C1< 0);ROUNDDOWN(MEDIAN($B1:$C1);1);$D1)))

Would like to add another condition. If B1<=.10 and C1=5, then return .15.

Thank you in advance.