A company uses EVM for its projects. Activity A is supposed to be $90$ percent complete with a budgeted cost to complete of $$130$; it is $80$ percent complete in actuality. Activity B is supposed to be $85$ percent complete with a budgeted cost to complete of $$75$; it is $70$ percent complete in actuality. Activity C is supposed to be $10$ percent complete with a budgeted cost to complete of $$1200$; it is $15$ percent complete in actuality. Activity D is supposed to be $30$ percent complete with a budgeted cost to complete of $$100$; it is $35$ percent complete in actuality. Activity E is supposed to be $15$ percent complete with a budgeted cost to complete of $$110$; it is $10$ percent complete in actuality. The total actual cost incurred so far is $$1135.$

What is the schedule performance index? Round your final answer to two decimal places.