A primitive economy consists of a fishing industry and an oil industry. A unit of fishing industry output requires 0.30 unit of fishing industry input and 0.35 unit of oil industry input. A unit of oil industry output requires inputs of 0.04 unit of fishing products and 0.10 unit of oil products.

(a) Write the technology matrix for this primitive economy.

fishing oil

[]fishing

oil

b) If surpluses of 20 units of fishing products and 1090 units of oil products are desired, find the gross production of each industry.

fishing	units
oil	units