Between january 1 and december 31, 2015, there were 62,942 deaths (from all causes) in la county. of 9,333 deaths certified as myocardial infarction in los angeles county that year, 593 occurred among white males age 45-54 and 35 occurred among black males in the same age group. the census estimated that the midyear population was 7,000,000. the census also estimated that there were 366,899 white males age 45-54 and 34,741 black males age 45-54 in this population. what was the cause-specific mortality rate for mi deaths? express your answer per 10,000 person-years, rounded to two decimal place