Question 218652
1)
I=Prt
I=18500(.11)(1.5)=3052.50
2)
42000(.7)=29400
29400(.8)=23520
23520(.85)=19992
42000-19992=$22,008 discount
3)
213.90/2.30=$93

4)
A=P(1+r/n)^nt
A=6000(1+.09/2)^2*2
A=6000(1.045)^4
A=6000(1.1925186)
A=7155.11
7155.11-6000=$1155.11 interest