Who invented Ball point pen ?​

László Bíró

László Bíró first sold the ballpoint pen in 1938, just before the onset of WWII. The pen may be mightier than the sword, but when Jewish-Hungarian journalist László Bíró invented the ballpoint pen in the 1930s clichéd sayings were probably the last thing on his mind.

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László Bíró (Bíró László József)

Step-by-step explanation:

László József Bíró, Hispanicized as Ladislao José Biro, was a Hungarian-Argentine inventor who patented the first commercially successful modern ballpoint pen. The first ballpoint pen had been invented roughly 50 years earlier by John J. Loud, but it did not attain commercial success.

true !

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i believe its "c" because all of the other options include a but it could be d because there is a way of financing with cash at certain places but its uncommon.