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Upon any interest per cent. and the summe of mo∣ney that shall be due at the term of a year, to find the worth of it in ready money, or present pay, the inte∣rest deducted from the summe.
If 102 L and the annual interest due at a years end
Be worth a 100 L at one entire and present pay∣ment,
What shall any other summe due at that term
Be worth in ready money, the interest deducted?
Admit the interest were 〈 math 〉〈 math 〉 6 l per cent. per ann. which added to 100 l makes the summe 106 l to be rebated: for if this principal were due at the term of 12 mo∣neths, it were worth 100 l present pay, because at 6 l per cent. it would encrease in a years space unto 106 l again: from hence this rule of antepayment is framed, and all questions of this condition (if terminated by a year) are solved, as in this example; suppose 546 l shall be due at the term of a year, and desired presently, rebating at 6 l per cent. per ann. the proportion is evident, viz. as 106 is unto 100, so shall 546 be to 515 09••/1000 l, which decimal fra∣ction is 1 s 10 ½ d. so 546 l, which should have been due at a yeares end, is worth upon discount present pay 515 l 1 s 10 ½ d, as in the table is de∣monstrated by a decimal, and in a natural fraction, it will be 515 5/53 l.