Dear All,

Find below a graphical presentation of PTA (point of total assumption ) , it also clear , how formula,

PTA = TC + ( CP- TP)/ BSR, arrives:

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4.bp.blogspot.com/-z4ReTOBH06o/T4p7wlEsDdI/AAAAAAAAAAs/ITAAunFgHEI/s320/PTA.jpg

Regards