– The cost is estimated to rise by 8.5% in 2013. – If the interest rate was 4%, what was the cost of a delay in terms of dollars in 2012? • Solution – If the project were delayed, its cost in 2013 would be: • $100 million × (1.085) = $108.5 million – Compare this amount to the cost of $100 million in 2012 using the interest rate of ...
Jan 26, 2015 · -Jane uses a water heater that is rated at 4327 watts for 7.7 hours everyday. The cost of electricity in her region is 8.9 cents per kWh. Calculate the annual operating cost for the water heater in dollars. Correct A ) 1082.33 Annual Energy Consumption = 4327 / 1000 x 7.7 x 365 = 12161.03kWh Annual Operating Cost = 12161.03 x 8.9 / 100 = $1082.33
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