perations costs (= 17% of revenue) $1,700 Total costs $8,290 Net profit $1,710 Margin % Two 100-Mbps customers in a building on the backbone ring Typical total MRC/building (considers one end) $7,000 ($7,000 MRC per customer, but only $3,500 is generated at the building in question) Allocated ring cost per building/MRC (12 buildings) Allocated spur cost per building/MRC $1,500 Allocated CO equipment cost per building/MRC Allocated CPE cost per building/MRC Allocated riser costs per building/MRC Allocated network management costs per building/MRC Allocated SGA (= 18% of revenue) $1,260 Allocated operations costs ( = 17% of revenue) $1,190 Total costs $6,398 Net profit Margin % Four 100-Mbps customers in a building on the backbone ring Typical total MRC/building (considers one end) $14,000 ($7,000 MRC per customer, but only $3,500 is generated at the building in question) Allocated ring cost per building/MRC (6 buildings) Allocated spur cost per building/MRC $1,500 Allocated CO equipment cost per building/MRC Allocated CPE cost per building/MRC Allocated riser costs per building/MRC $1,600 Allocated network management costs per building/MRC Allocated SGA (= 18% of revenue) $2,520 Allocated operations costs (= 17% of revenue) $2,380 Total costs $10,211 Chapter 10 Table 10-12 Financial Item cont. Results of Run 2 Net profit $3,789 Margin % One 1,000-Mbps customer in a building on the backbone ring Typical total MRC/building (considers one end) $7,000 ($14,000 MRC per customer, but only $7,000 is generated at the building in question) Allocated ring cost per building/MRC (2 buildings) $2,500 Allocated spur cost per building/MRC $1,500 Allocated CO equipment cost per building/MRC Allocated CPE cost per building/MRC Allocated riser costs per building/MRC Allocated network management costs per building/MRC Allocated SGA (= 18% of revenue) $1,260 Allocated operations costs (= 17% of revenue) $1,190 Total costs $8,367 Net profit (loss) ($1,367) Margin % Two 1,000-Mbps customers in a building on the backbone ring Typical to