If the cow cost thirty dollars, the keeping per annum twenty-five dollars, and the butter sells for twenty-five cents a pound, the profits on the cows will be as follows, viz:

Paying$30 00for a200pound cow,he will getin ten years,$170 00
189 97300235 03
348 86400299 89
504 39500363 11
671 61600428 39

Table B.

Including interest on all items, a farmer will make on each cow as follows, (made on a basis of twenty-five cents a pound for butter, and twenty-five dollars a year for keeping,) viz:

Paying$30 00for a200pound cow,he will getin ten years,$195 73
125 00300313 06
250 00400374 15
350 00500474 52
450 00600595 91

Table C.

Reckoning the annual cost of keeping at thirty-five dollars, and butter at thirty cents a pound, reckoning interest on her cost, and on all receipts from her, a farmer will make on each cow as follows, viz:

Paying$30 00for a200pound cow,he will getin ten years,$182 87
125 00300354 78
250 00400483 49
350 00500654 17
450 00600811 59

Table D.