The sales of Carpenter radios are very good. After they license this type of radio to other manufacturers, the production capacity of the radio is gradually able to meet the needs of the market.
Their radios have begun to go out of the United States and are sold overseas. People all over the world know that there is such a transistor radio, which is compact and convenient, and has very good performance.
Electronic companies have brought a lot of income to the Carpenters, and even surpassed the income of record companies. It's just that the money earned was quickly invested by Bart in research and development.
Now they have developed TV sets, refrigerators, air conditioners, etc. with transistors and integrated circuit boards as the main body. More importantly, under the advice of Alex,
