I confuse about the first one and third one

Novak has been examining the production of tennis racquets over the past several years. He notes the price of racquets has remained constant. In late January, following the Australian Open, many new stores around Australia open selling tennis racquets. Later that same year in June, a new technology results in the time to manufacture a tennis racquet being reduced by 50%. Select the item from the list provided to make the following statements true. 1- V Ashift in supply in late January would result from an 1' increase in quantity supplied 2. changes in technology 10- V The change in technology will cause what kind of shift in the 3. tax . . . 4. decrease In the quantity supplied sum)\" curve? 5. shift left 8- V The price of tennis racquets suddenly increased once the new 6. more substitutes racquet technology was introduced. This new technology 7. subsidy greatly increased supply, with the demand for tennis racquets 3_ increase in the number of suppliers also suddenly increasing at this time. In this situation, you 9_ deate would see an of racquets. 10' shift right 11. remained unchanged