The customernumber variable will be used to hold a unique integer for each customer. the mailinglist variable should be a bool. it will be set to true if the customer wishes to be on a mailing list, or false if the customer does not wish to be on a mail-ing list. write appropriate accessor and mutator functions for these member variables. demonstrate an object of the customerdata class in a simple program.

An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature