please help with excel step-by-step (detailed) much appreciated **IMPORTANT** PLEASE MAKE SURE TO USE EXCEL WITH FORMULAS

Stock split and stock reverse split problems: (a) Wholesales Products recently completed a 4-for-1 stock split. Prior to the split, its stock sold for $320 per share. If the firm's total market value increased by 20% as a result of increased liquidity caused by the split, what was the stock price following the stock split? (1 point) (b) Tombs Media Corp. recently completed a 1-for-15 reverse stock split. Prior to the reverse split, its stock sold for $1.5 per share. The firm's total market value is anticipated to drop by 5% after the reverse split. Other things held constant, what is the best estimate of the stock price right after this reverse split? (1 point)

PLEASE HELP WITH EXCEL STEP-BY-STEP (IN FULL detail) much appreciated **IMPORTANT** I WANT TO LEARN