{UTF-8} birth and weaning percentage= 0.9 ~ Dmnl ~ | costs of production= herd size*costs per head ~ $/Month ~ | costs per head= 450 ~ $/(Month*head) ~ | culling and marketing= herd size/useful life ~ head/Month ~ | herd size= INTEG ( replacements-culling and marketing, 100) ~ head ~ | market price= WITH LOOKUP ( Time, ([(0,200)-(120,800)],(0,500),(10.2752,585.965),(22.0183,647.368),(38.1651,654.386),\ (54.3119,624.561),(59.8165,519.298),(71.9266,447.368),(83.3027,414.035),(95.4128,391.228\ ),(112.294,422.807),(120,500) )) ~ $/head/Month ~ | natural replacement rate= 0.0119045 ~ 1/Month ~ 14% per year (or 0.1428) | offspring produced= herd size*birth and weaning percentage ~ head ~ | replacements= herd size*natural replacement rate ~ head/Month ~ | Returns= INTEG ( revenues from sales-costs of production, 0) ~ $ ~ | revenues from sales= offspring produced*market price ~ $/Month ~ | useful life= 84 ~ Month ~ | ******************************************************** .Control ********************************************************~ Simulation Control Parameters | FINAL TIME = 120 ~ Month ~ The final time for the simulation. | INITIAL TIME = 0 ~ Month ~ The initial time for the simulation. | SAVEPER = TIME STEP ~ Month [0,?] ~ The frequency with which output is stored. | TIME STEP = 1 ~ Month [0,?] ~ The time step for the simulation. | \\\---/// Sketch information - do not modify anything except names V300 Do not put anything below this section - it will be ignored *View 1 $192-192-192,0,@Arial Unicode MS|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|96,96,100,0 10,1,herd size,427,136,40,20,3,3,0,0,0,0,0,0 12,2,48,197,135,10,8,0,3,0,0,-1,0,0,0 1,3,5,1,4,0,0,22,0,0,0,-1--1--1,,1|(345,135)| 1,4,5,2,100,0,0,22,0,0,0,-1--1--1,,1|(249,135)| 11,5,48,297,135,6,8,34,3,0,0,1,0,0,0 10,6,replacements,297,154,50,12,40,3,0,0,-1,0,0,0 12,7,48,685,136,10,8,0,3,0,0,-1,0,0,0 1,8,10,7,4,0,0,22,0,0,0,-1--1--1,,1|(627,136)| 1,9,10,1,100,0,0,22,0,0,0,-1--1--1,,1|(517,136)| 11,10,48,574,136,6,8,34,3,0,0,1,0,0,0 10,11,culling and marketing,574,163,40,21,40,3,0,0,-1,0,0,0 10,12,offspring produced,615,245,36,21,8,3,0,0,0,0,0,0 10,13,birth and weaning percentage,766,195,66,21,8,3,0,0,0,0,0,0 10,14,useful life,611,53,28,24,8,131,0,0,0,0,0,0 10,15,natural replacement rate,258,56,62,21,8,3,0,0,0,0,0,0 1,16,15,5,0,0,0,0,0,64,0,-1--1--1,,1|(277,96)| 1,17,1,6,1,0,0,0,0,64,0,-1--1--1,,1|(381,187)| 1,18,1,10,1,0,0,0,0,64,0,-1--1--1,,1|(488,90)| 1,19,14,10,0,0,0,0,0,64,0,-1--1--1,,1|(591,97)| 1,20,1,12,1,0,0,0,0,64,0,-1--1--1,,1|(527,183)| 1,21,13,12,0,0,0,0,0,64,0,-1--1--1,,1|(683,222)| 10,22,Returns,546,399,40,20,3,3,0,0,0,0,0,0 12,23,48,763,396,10,8,0,3,0,0,-1,0,0,0 1,24,26,22,4,0,0,22,0,0,0,-1--1--1,,1|(624,396)| 1,25,26,23,100,0,0,22,0,0,0,-1--1--1,,1|(714,396)| 11,26,48,669,396,6,8,34,3,0,0,1,0,0,0 10,27,revenues from sales,669,425,54,21,40,3,0,0,-1,0,0,0 10,28,market price,719,498,45,12,8,3,0,0,0,0,0,0 1,29,12,26,1,0,0,0,0,64,0,-1--1--1,,1|(667,314)| 1,30,28,27,0,0,0,0,0,64,0,-1--1--1,,1|(701,471)| 10,31,Time,762,540,29,12,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128 1,32,31,28,0,0,0,0,0,64,0,-1--1--1,,1|(745,523)| 12,33,48,311,398,10,8,0,3,0,0,-1,0,0,0 1,34,36,33,4,0,0,22,0,0,0,-1--1--1,,1|(364,398)| 1,35,36,22,100,0,0,22,0,0,0,-1--1--1,,1|(462,398)| 11,36,48,413,398,6,8,34,3,0,0,1,0,0,0 10,37,costs of production,413,427,40,21,40,3,0,0,-1,0,0,0 10,38,costs per head,514,330,41,24,8,131,0,0,0,0,0,0 1,39,1,36,1,0,0,0,0,64,0,-1--1--1,,1|(465,267)| 1,40,38,36,0,0,0,0,0,64,0,-1--1--1,,1|(453,370)| ///---\\\ :L<%^E!@ 1:Current.vdf 9:Current 22:$,Dollar,Dollars,$s 22:cfs 22:Day,Days 22:head 22:head/month 22:Hour,Hours 22:Month,Months 22:percent 22:Person,People,Persons 22:tons 22:tons/month 22:Unit,Units 22:Week,Weeks 22:Year,Years 22:tons/head/month 15:0,0,0,0,0,0 19:100,0 27:2, 34:0, 4:Time 5:Returns 35:Date 36:YYYY-MM-DD 37:2000 38:1 39:1 40:2 41:0 24:0 25:120 26:120