1. Given the following mathematical expression, which is its equivalent expression written in CH? I - Pxext A.T-Pxrxt: B. double 1 - (Pro: C. double I - (P*r*t): D. double I = (Pet); E. double ! - Part 2. The Tomato Bank offers an interest rate of APR (annual percentage rate), 4.5%, to college students as tuition loans. However, the interest is compounded quarterly. Which is the correct way to assign the value of interest rate to a variable named "r" that will be used to calculate the future value A. float r=4.5% B. float r0.045/4; C. float r=0.045/12 D. float r4.5%/4: E. float r = 4.5%/12: 3. Which can display 71.28124 in the format of $71.28 as output? A.print("%.2f". 71.28124): B.printf("%.2f", 71.28124); C.print("%2.6", 71.28124); D.print("S%2.f', 71.28124): E printf"S.2t", 71.28124) 4. Which header file is the one that defines the "setprecision" function? A. C. E.