In 2004, US natural gas utilization was 646.7 billion cubic meters. Asian utilization was 367.7 billion cubic meters During prior decade, US utilization raised by 0.6% a year, while Asian utilization increase by 7.9% a year. Suppose these rates continue into future. A. Write first four terms of sequence, An, giving US consumption of natural gas n years after 2003. B. Write first four terms of the similar sequence bn showing Asian gas utilization. C. According to model when will Asian yearly gas utilization exceed US consumption?