7.80/10 1974-10-10 30 minutes.HDHarold tries to teach Albert about the economics of running a business. He then ends up buying 400 sets of false teeth hoping to make a killing. When they don't sell, he takes their last £10.00 and tries again, this time bringing home 400 World War 2 gas masks.An: 1974Studio: BBC OnePays: United Kingdom