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(c) A 4-bit synchronous sequential up counter counts in the following | 0000 0010 custom counting sequence: (0, 1, 2, 3,4,7,8,9,10 i. What is the modulus of this custom-sequenced counter? MOD-16 Up Load Counter i. Shown to the right is a modulo-16 synchronous sequential up counter with asynchronous active low reset, synchronous parallel load, and synchronous enable. Use this modulo-16 up counter as a building blockD along with a minimum amount of additional combinational logic to design the custom-sequence counter. EN D, 0. (d) A standard 4-bit left-shift ring counter comprises four flip flops that can store RST TC