Using the financial model provided
zinc concentrate
silver payable 50.0%
zinc payable 85.0%
lead concentrate
silver payable 95%
lead payable 95%
income statement ($000)
zinc ($/lb) $1.00
lead ($/lb) $0.95
silver ($/t.0z) $20.00
mining cost ($/ore tonne mined) $5.19
processing plant ($/ore tonne mined) $8.76
general administration ($/ore tonne mine ) $1.55
determine the impacts of the overall economics when
ii) zinc price decreases to $0.75/lb