Problem $3-20($Algo$)$ An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation and the naive approach. The linear trend equation is Ft $=124+2\mathrm{.}1$t$,$ and it was developed using data from periods $1$ through $10.$ Based on data for periods $11$ through $20$ as shown in the table, which of these two methods has the greater accuracy if MAD and MSE are used? $($Round your intermediate calculations and final answers to $2$ decimal places.$)$ t Units Sold $11144121461315214142151521614917152181541915720164$