Three years ago, Adrian purchased 255 shares of stock in X Corp. for $42,330. On December 30 of year 4, Adrian sells the 255 shares for $37,230. (Leave no answers blank. Enter zero if applicable. Loss amounts should be indicated with a minus sign.)

a. Assuming Adrian has no other capital gains or losses, how much of the loss is Adrian able to deduct on her year 4 tax return?

b. Assuming Adrian has no other capital gains or losses, except that on January 20 of year 5, Adrian purchases 255 shares of X Corp. stock for $37,230. How much loss from the sale on December 30 of year 4 is deductible on Adrian's year 4 tax return? What basis does Adrian take in the stock purchased on January 20 of year 5?