the charge is at s f krchltc discretion and 0 for customers. customers have a choice to participate and customers may leave at any time. other customers are similar to p g and e. so this next slide is building up cost of service. it is based on a cost of service and this charge shows byline item and for each year of the program and then also within each year, the columns show both the total cost for a given line item and also the unit cost per kilowatt hour. it's this unit cost which we are use to go determine the rate and then also add that year one also shows the cost as a percentage of the total cost. so, moving to the rows highlighted by the arrows, these make-up 75 percent of the total cost, the line item includes the cost of renewables and can reduce this cost by 2.6 cents by kilowatt hours and the reserve is based on a 4-and-a-half year repayment term extend to go 12 years could reduce the cost by roughly 1/2 cent per kilowatt hour. if we add up all of these cost, it would fund $90 million in projects. for the last year we see 4.9 kilowa