An electrical contractor's records during the last five weeks indicate the number of job requests:

week: $1,2,3,4,5$

Requests: $25,27,23,26,27$

Predict the number of requests for week $6$ using each of these methods:

a$.$ Naive

b$.$ A four$-$period moving average.

Note: Round your answer to $2$ decimal places.

c$.$ Exponential smoothing with alph$=0\mathrm{.}20$Use $25$ for week $2$ forecast. Create forecasts for weeks $3-6.$

Note: Round your intermediate forecast values and final answers to $2$ decimal places.