Business/Club/Domestic First

CPH-HEL: 40 TP
HEL-LHR: 80 TP
LHR-BOS: 140 TP
BOS-LAX: 210 TP
LAX-HNL: 210 TP

reverse order on return

680 TP x 2 = 1,360 TP

Does that look right?
Are the TP correct?

Price: ~ £1,980.20
~ £1.45 per TP

What will the additional tax be if I do MFU on LHR-BOS and BOS-LHR?

Is this good or bad?