How much faster$/$slower would the machine be if a better data cache reduced the average

LOAD time to $3$ cycles and increase the ALU time to $2$ cycles? Show step by step for full

credit.

OP $,$ Freq Cycles CPI

ALU $,50\%1,0\mathrm{.}5$

LOAD $,20\%5,1\mathrm{.}0$

STORE $,10\%4,0\mathrm{.}4$

BRANCH $20\%3,0\mathrm{.}6$