E) Pat
Interest rate | C1 | C2 | Saving | Utility |
r1 = .5 | 4200 | 6300 | 4200 | |
r2 =.4 | 4200 | 5880 | 4200 |
C2 = (1+r)4200
.
F) Jim
Interest rate | C1 | C2 | Saving | Utility |
.5 | 5040 | 5040 | 3360 | |
.4 | 4900 | 4900 | 3500 |
C1 = C2 = 8400(1+r)/(2+r)
.
G) pat
Old Utility U1 ( when r= .5)
U1 = C1*C2 = 4200*6300
Then at new r = .4
Let new income M"
Then C1 = M"/2
So C2 = (1+r)C1
= 1.4*M"/2
= .7M"
So,( M"/2)*(.7M") = 4200*6300
M" = $ 8694.83
so income needed = 8694.83
.
h)
New savings = M" - C1
= M" - M"/2
= M"/2
=$ 4347.413
.
It's mandatory to answer only four parts
please help with questions e, f, g, h, i, j. i have included answers for a-d...
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