Answer:
invoice price $ 837.67
Explanation:
the clean price represent the value of the bon net of interst if the next coupon payment is due in five months there is a month of interest included in the invoice (dirty price)
principal x rate x time = interest
1,000 x 0.092 x 1/12 = 7.67
bond + accued interest = dirty price
830 + 7.67 = 837.67