In Bahasa

Jika fungsi permintaan dan penawaran buku Ilmu Ekonomi sebagai berikut:

Fungsi permintaan : Qd = 140-P

Fungsi penawaran : Qs = 60+P

Maka:

1.Hitunglah harga dan kuantitas keseimbangan!

2.Hitunglah besarnya surplus produsen!

3.Hitunglah besarnya surplus konsumen

in english

If the demand and supply function of the Economics book is as follows:

Request function: Qd = 140-P

Bidding function: Qs = 60 + P

Then:

1. Calculate the price and quantity of balance!

2. Calculate the amount of producer surplus!

3. Calculate the amount of consumer surplus