c. Calculate the contribution to the electrical cost due to the air conditioning system (electrical) because of the 150 KW of demand and the usage charges. (Full load X full load hours) (5 points) Use a combined cost (Supply and delivery) of $20 per KW for Demand and $0.14/kw-hr including GRT, etc. Calculate the gas cost for the month for the proposed gas AC Equipment. (Full load hours X input per hour in therms X Cost per therm.) (5 points) Monthly Cost of Gas: (incl. Supply and delivery) $1.60 e. Which unit is less costly to operate? (3 points) c. Calculate the contribution to the electrical cost due to the air conditioning system (electrical) because of the 150 KW of demand and the usage charges. (Full load X full load hours) (5 points) Use a combined cost (Supply and delivery) of $20 per KW for Demand and $0.14/kw-hr including GRT, etc. Calculate the gas cost for the month for the proposed gas AC Equipment. (Full load hours X input per hour in therms X Cost per therm.) (5 points) Monthly Cost of Gas: (incl. Supply and delivery) $1.60 e. Which unit is less costly to operate? (3 points)