On Jan. 1 Mr. Green bought new energy-efficient windows for his home. The price of the windows was $, and Mr. Green charged the windows to his credit card. The credit card is interest free for a full six months on any purchase over $299, but if after six months the purchase is not paid in full, the customer owes interest on the original purchase price and for the full six months, even if the balance owed is one dollar. Interest is computed as simple interest at an APR of %. Mr. Green was hoping he would have the windows paid off in six months and was close, but at the end of six months he still owed a balance of $200 on the windows. How much interest did Mr. Green get charged on the credit card statement that closed on July 1? Needs the answer for ( ) the bottom one

Mr. Green got charged $( )nothing in interest on the credit card statement that closed on July 1.