'The state of a new contract for Tin'

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

Paid annually for 1600 Tunns of Tin at 3li 10s per cwt standard weight			112000
Freight to London			2143
Insurance			1500
Salaries including 30li to Truro			2890
All incidents in Cornwall & London			1000
	Total expence		119533
Interest of 119533li advanced during the sale of about 2150 Tunns of Tinn standard weight, that is for a years & four months at 5 per cent		}	7969
	Total charge		127502
Discharge by the annual sale of 166 Tunns at 81$\frac{\mathrm{3}}{\mathrm{7}}$li per standard weight.			130286
	The ballence remaining to her Majesty		2784
At 6 per cent (which is the interest of the moneys lent to Cornwall) the ballance will be to her Majesty			1190

In this recconing 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.