The extract from a country’s balance of payments account is shown below.

Item	Import ($ million)	Export ($ million)
Agricultural products	------	200
Mineral products	-----	300
Consumer goods	250	----
Capital goods	400	----
Insurance	50	25
Banking	75	30
Transportation	85	25
Loans	150	60

Using the table above, calculate the:
(a) Balance of trade;
(b) Invisible trade balance;
(c) Balance on current account.