Which of the following scenarios demonstrates the leverage effect on net operating income due to the existence of fixed costs?
a) a 25% increase in sales resulting in a 30% decrease in net operating income.
b) a 15% increase in sales resulting in a 15% increase in cost of goods sold.
c) a 25% increase in sales resulting in a 30% increase in net operating income.
d) a 25% increase in sales resulting in a 30% increase in fixed costs.

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Describe three scenarios in which you might utilize mathematics to investigate a crime scene, accident scene, or to make decisions involving police practice. be sure to explain how math is used in police as they work through each scenario.

Jose recently died with a probate estate of $900,000. he was predeceased by his wife, guadalupe, and his daughter, lucy. he has two surviving children, pete and fred. jose was also survived by eight grandchildren, pete’s three children, naomi, daniel, nick; fred’s three children, heather, chris and steve; and lucy’s two children, david and rachel. jose’s will states the following “i leave everything to my three children. if any of my children shall predecease me then i leave their share to their heirs, per stirpes.” which of the following statements is correct? (a) under jose’s will rachel will receive $150,000. (b) under jose’s will chris will receive $150,000. (c) under jose’s will nick will receive $100,000. (d) under jose’s will pete will receive $200,000.