For office work, Intel Celeron / Pentium is sufficient.
For gaming, your friend have to make do with GT720M level of GPU.
If your friend only play FB games or some very old games, then can consider models spec only with HD40/4400.
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Acer
E1-432G-29552G50k, Intel 2955U + Nvidia GT720M@RM1399, 2GB, 500GB, W8
E1-472G-54204G50, i5- 4200U + Nvidia GT720M@RM1699, 4GB, 500GB, FreeDOS
Dell
Inspiron 15, i3-3217U + AMD HD7670M@RM1499[2.25kg], 4GB, 500GB(5400rpm), 6-cell, Linux; W8SL@RM1699
HP
Pavilion 14-N075TX, i3-3217U + AMD HD8670M@RM1649[2.03kg], 4GB, 500GB, W8
Pavilion 14-N010AX, A10-5745M + AMD HD8610/8670M@RM1699[2.01kg], 4GB, 500GB, Linux
Lenovo
G400s, i3-3110M + Nvidia GT720M@RM1699, 4GB, 500GB, W8.1
S410p, i3-4010U + Nvidia GT720M@RM1649[2.1kg], 4GB, 500GB, DOS
Prices are RSP, negotiable.
p/s: mah friend here is a cheapskate but still want good local warranty.