Answer the following question with respect to the excel file test10-data posted above in canvas. assume that the forecast for period 6 is not produced using exponential smoothing but is known to be 90. for periods 7-11, exponential smoothing with an alpha = 0.4 is used to produce the forecast. which of the following statements is true? group of answer choices a. the period 11 forecast is 90 b. the period 9 forecast is 82.29 c. the alpha has to be changed to get a better forecast d. the period 9 forecast is 92.48

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below. trans typ./ check no. date description of transaction payment/ debit deposit/ credit (+) balance 1,200 00 324 10/6 miller's food market 45.87 45 87 groceries 1,154 13 325 10/7 cyber center computer outlet 218.59 218 59 monitor 935 54 326 10/9 sandy's beauty salon 30.00 30 00 haircut and styling 900 59 deposit 10/10 paycheck 621.33 621 33 1,621 92 evaluate leslie's check register. a. leslie did a good job. everything is correct. b. the final balance is wrong; she did not add everything correctly. c. leslie should have written debit instead of deposit for the transaction type. d. leslie switched the debit and credit columns.