Answer:
Investor invested $7,800 at 8% and $6,200 at 6.5%
Explanation:
Use formula

where
I = interest
P = principal
r = rate (as decimal)
t = time
First investment:

then

Second investment:

then

The amount of interest earned for 1 year was $1,027, then

Investor invested $7,800 at 8% and $6,200 at 6.5%