1. Mr. Brown bought 80 steers averaging 525 pounds for $102 per 100 pounds. He sold the steers averaging 690 pounds for $122 per 100 -pound weight (cwt). He estimates an average daily gain (ADG) at 1.7 pounds per day. Feed conversion is 9:1 ( 9lb of feed consumec result in a 1-lb gain). He borrowed the money for the expenses at 6.25 percent annual percentage rate (APR). Table 13-4 gives the nutrient requirements and other expenses involving the steers. \begin{tabular}{|c|c|c|c|} \hline Item & Requirement & & \\ \hline CP & 15.5% & & \\ \hline DE & 1,400kcal/1b & & \\ \hline Feedstuff & CP & TDN & Cost \\ \hline Soybean hulls & 11% & 55% & $165/ ton \\ \hline Corn & 8.8% & 78.4% & $5.35/bu \\ \hline Cottonseed meal & 41.3% & 71% & $350/ton \\ \hline \multicolumn{4}{|l|}{ Additional Cost } \\ \hline \multicolumn{4}{|l|}{ Grinding fee $22/ ton } \\ \hline \multicolumn{4}{|l|}{ Labor \$24/head } \\ \hline \multicolumn{4}{|l|}{ Veterinary $30/ head } \\ \hline Insurance $7/ head & & & \\ \hline \end{tabular} a. How many total pounds of feed were fed? b. How many total pounds of feed were fed per head? c. What was the total cost? d. What was the total cost per head? e. What was the return on the investment? f. What was the APR of the return on the investment