T «»4 ) 
Rate, putting m u for m, and pufotp, the rcPuIc will be the 
Rate reduced nearly : and by repeated Operations corrcding 
X and thereby n, the true t, and thence R the whole Rate, may 
be found. 
The only difficulty that remains, is the right afiuming the 
Quantities c and t, the impoflibility of doing which* with 
perfect Exadnefs, I fuppofe to be thercafon why neither this, 
nor any Method of Correction to the like purpofc, has yet 
been taken notice of by the Writers on this Subjed; and what 
may therefore be very likely to be objected to this. But the 
, famc-ObjeCtion I take to be of equal force againft the Eflimatcs 
of any other Uncertainties whatfoever, as Eft ate s for Lives, 
Infurances dre- 
7 Firftthen, for the Quantity c, which is put for the Trou- 
ble and Charge of Management, viz, of co UeCt-ing and pla- 
cing out the Money on - good Security, together with all 
Contingencies attending the fame, as travelling Charges, Ex- 
penccs. Attorney’s Bills, of all which, the principal Arti- 
cle is the Charge of Collcdion or Receiver’s Fees, which is 
commonly a fix’d Rate, cuftomarily allow’d in the Place, or 
upon the Eftate itfelf out of which the Purcfaafeis made, if 
it be a Rent; and for Intereft Money, or any other Annuity, 
the like Eftimate is to be made, whether the Proprietor ads 
for himfelf, or by another. Then for the Charge of placing 
out the Mony at Intereft when receiv’d ; though this be for 
the moft part defray’d by the Borrower, yet bccaufe it high- 
ly concerns the Lender to fee it be fecurely done, there are 
ufual Allowances made to Agents and Scriveners, to encourage 
their Care and Fidelity therein; befides the Time, Expence 
and Trouble of the Proprietor himfelf, in finifhing Contrads, 
infpeding Securities &c. and whatever is fav’d in this Arti- 
cle, we >muft fuppofe to be fully made up by an Equivalent 
JDegree of Rifque in the Security. 
in the next place, for the Io(s of time ; though ’tis alfo im- 
poilible for this to be exadly afeertain’d, nor perhaps fo 
near’y as the former, fince it depends very much on the Dili- 
gence of the Manager : Yet if the ufual rimes of Payment 
of 
