a farm has a 4000 head Merino ewe self-replacing flock in steady On average The lambing 684 old (CFA) ewes are sold each year for $90/hd. state. rate is 90%. Assume 50% male lambs The average mortality of ewes (including replacement ewes) is 1.8% per year. and 50% female lambs. Lambs are born in September and weaned in January, their mortality rate from birth to weaning is 2.5%. Wethers (male castrated sheep) and surplus ewe hoggets are sold at 10 months of age for $110/hd. The mortality rate of wethers and ewe hoggets between weaning and sale is 2.0%. Sufficient ewes are kept as replacements each year to maintain flock size at 4000 ewes. Ram numbers are maintained at 50. New rams are purchased each year for $950 each to replace 10 CFA rams and 1 ram death. Cast for Age (CFA) rams typically sell for $90/hd. Use the additional information below to answer the following questions. . At the end of the 2022 management year, the ewe activity generated $360,000 in wool revenue, and had total variable costs of $275,000. . The farmer also operated a crop activity on the farm which generated a gross margin of $225,000, and earned $14,000 for harvesting a neighbour's crop. The farm incurred various overhead costs of $202,000, as well as $35,000 for repairs and maintenance (sheds, yards, fences, land, plant and equipment), $24,000 for fuel and oil, and $20,000 for depreciation. a) What was the total gross margin for the ewe activity? b) What was the gross margin per breeding unit (e. per ewe)? c) What was the total farm income? d) What was the net farm income