Variant holograph calculations for MINT00696 (Mint 19/3/538)

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The state of a new contract for Tin upon supposition that no more is purchased then the consumption will annually carry.

Paid annually for 1600 Tunns of Tin at 3li 10s per cwt standard weight		12000
Freight to London		2143
Insurance		1500
Salaries including 30li to Truro		2980
All incidents in Cornwall & London		1000
Total expence		119533
Interest of 119533li advanced at 5 per cent during the sale of about 2150 Tunns of Tin standard weight, that is, for a year & 4 months	}	7969
Total charge		127502
Discharge by the annual sale of 1600 Tunns at 81li$\frac{\mathrm{3}}{\mathrm{7}}$ per Tun standard weight		130286
The ballance remaining to her Majesty		2784
At the interest of 6 per cent (at with 10000li is lent to Cornwall the ballance will be to her Majesty		1190
In this recconning nothing is allowed for unforeseen accidents

The Tinn imported from Devonshire is about 40 or 45 Tunns per annum.
The total exportation about 1550 or 1560 Tunns per annum standard weight.
Left in her Majesties hands per annum about 80 or 90 Tunns standard weight.