I got some answers here on and all of your answers were wrong?

Acompany recorded a check in its accounting records as $87. however, the check was actually written for $78 and it cleared the bank as $78. what adjustment is needed to the personal statement? a. decrease by $9 b. increase by $9 c. decrease by $18 d. increase by $9

Jack manufacturing company had beginning work in process inventory of $8,000. during the period, jack transferred $34,000 of raw materials to work in process. labor costs amounted to $41,000 and overhead amounted to $36,000. if the ending balance in work in process inventory was $12,000, what was the amount transferred to finished goods inventory?

Juan's investment portfolio was valued at $125,640 at the beginning of the year. during the year, juan received $603 in interest income and $298 in dividend income. juan also sold shares of stock and realized $1,459 in capital gains. juan's portfolio is valued at $142,608 at the end of the year. all income and realized gains were reinvested. no funds were contributed or withdrawn during the year. what is the amount of income juan must declare this year for income tax purposes?