Please help with the following questions. I would like to know how to work these out

Bogart Company is considering two alternatives . AlternativE A Will have revenues of $ 145, 500 and costs OF $1DO, 000, Alternative & Will have revenues Of $ 18 7, 500 and Costs OF $ 12 1, 200. Compare Alternative !` to Alternative & Showing incremental revenues , costs , and net income . (Enter negative amounts using either a negative sign preceding the number &.q. - 15 or parentheses &.J. ( 15).) Alternative Alternative Net Income Increase ( Decrease ) REVENUES Costs Net Income * \\ is better thanAt Bargain Electronics , it costs $ 32 per unit III'S Variable and $ 13 fixed; to make an MP3 player at full! Capacity' that normally sells for $ 45. A Foreign wholesaler offers to buy 3, 180 Units at $ 25 Each . Bargain Electronics Will incur special shipping costs OF $ 4 per unit . Assuming that Bargain Electronics has EXCESS operating capacity , indicate the net income ( 1055 ) Bargain Electronics would realize by accepting the Special order . [Enter negative amounts using either a negative sign preceding the number E.J. - $5 or parentheses &.q. ( $5).) Reject Accept Net Income order order Increase ( Decrease ) REVENUES Costs - Manufacturing Shipping Net income THE SPECIAL order Should beBryant Company Has a factory machine with a book value Of $93, 100 and & remaining Useful life Of !" years . It can be sold for $34, 200. A new machine is available at a cost of $ 378, 500 . This machine will! have a 7 - year Useful life with no salvage Value . The new machine will lower annual variable* manufacturing costs from $ 505, 900 to $ 457, 900. Prepare an analysis showing whether the old machine* should be retained or replaced . ( In the first two columns , enter costs and expenses as positive amounts , and any amount's received as negative amounts . In the third column , enter met income increases as positive amounts and decreases as negative amounts . Enter negative amounts using either a negative sign preceding the number &. J. - 15 or parentheses &.J. ( 15) . ) Retain Replace* Net Income Equipment Equipment Increase ( Decrease* Variable 4. manufacturing COSTS $1, 241, 300 3, 205, 300 1 , 036, 000 NEW machine COST Sell old machine* 4 Total 592, 200 THE old factory machine should be replaced*Lisah, Inc., manufactures golf clubs in three models . For the year , the Big Bart line has a net loss Of 5 4, 500 From sales $ 200, 000 , variable costs $ 175, 000 , and Fixed costs $ 29, 900 . IF the Big Eart line is Eliminated , $ 15, 400 OF fixed costs will remain , Prepare an analysis showing whether the Big Bart line should be eliminated . (Enter negative amounts using either a negative sign preceding the number &.q. 45 or parentheses &.g. ( $ 5).) Net Income Continue Eliminate Increase ( Decrease*) 4 Sales 200, 000 Variable costs 175, 000 Contribution margin 25, 000 Fixed costs 25, 500 19400 4} 4 Net Income !" ( LOSS) 4500 19400 THE Big Bart product line should be continued*$