Jennifer, a teacher, and Wally, an IT professional have twin girls with special needs and as a result have on going medical expenses. Jennifer expects that her family medical cost for 2021 will be $25,000. She has a Blue Cross, Blue Shield PPO through her school district. Her family deductible is $4,500. The co-insurance is 70/30. Her plan Max out-of-pocket is $10,500 for the year. How much is Jennifer's co-insurance? (Answer with a positive number, round to the nearest dollar)

Biochemical corp. requires $600,000 in financing over the next three years. the firm can borrow the funds for three years at 10.80 percent interest per year. the ceo decides to do a forecast and predicts that if she utilizes short-term financing instead, she will pay 7.50 percent interest in the first year, 12.15 percent interest in the second year, and 8.25 percent interest in the third year. assume interest is paid in full at the end of each year. a)determine the total interest cost under each plan. a) long term fixed rate: b) short term fixed rate: b) which plan is less costly? a) long term fixed rate plan b) short term variable rate plan